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(Click for frequent words.) 66 AstraZeneca Crestor 65 Dendreon Provenge 65 Merck Januvia 64 Tanezumab 64 Eli Lilly Cymbalta 64 ticagrelor Brilinta 64 UCB Keppra 64 ImClone Erbitux 64 Bivalirudin 64 Genentech Raptiva 63 COX 2s 63 Medtronic Endeavor 63 blood thinner Xarelto 63 Bayer Xarelto 63 AstraZeneca Iressa 63 AstraZeneca Symbicort 63 Medtronic stent 63 Effient prasugrel 63 Novartis Galvus 63 Cenestin 63 Brilique 63 generic gabapentin 62 Arixtra 62 Xifaxan rifaximin 62 Pfizer inhaled insulin 62 Bonefos 62 Novartis Gilenya 62 Muraglitazar 62 Celebrex celecoxib 62 Kynapid 62 Glaxo Advair 62 Celgene Revlimid 62 Sanofi Acomplia 62 UCB Cimzia 61 PLAVIX ® 61 Lilly Cymbalta 61 drug eluting coronary stents 61 Efient 61 Zemplar 61 Sanofi Plavix 61 AstraZeneca Toprol XL 61 Biogen Idec Elan 61 bloodthinner 61 Pfizer Sutent 61 Prasugrel 61 Novartis Gleevec 61 Amgen Vectibix 61 Roche Avastin 61 novel oral anticoagulant 61 Xience stent 61 Nexium esomeprazole 61 Teva Copaxone 61 Amevive 60 Bayer Onyx 60 Mirapexin 60 antiplatelet agent 60 Teriparatide 60 Vorapaxar 60 platelet aggregation inhibitor 60 Potiga 60 Glaxo Avandia 60 Xarelto 60 rThrombin 60 AstraZeneca Seroquel 60 Aceon 60 Noxafil 60 GSK Avandia 60 Lipitor atorvastatin 60 Dabigatran 60 Genentech Lucentis 60 Uplyso 60 OSI Pharma 60 Abbott Humira 60 pill Xarelto 60 blood clot preventer 60 GlaxoSmithKline Avandia 60 Dasatinib 60 Eli Lilly Zyprexa 60 blood thinner Lovenox 60 Amgen Nplate 60 clopidogrel bisulfate 60 Vectibix panitumumab 60 blood thinner prasugrel 60 Humira adalimumab 60 Cipralex ® 60 Panitumumab 60 Tredaptive 59 Amnesteem 59 Novartis Zometa 59 Mycamine 59 Zarnestra 59 Arranon 59 Avanafil 59 Alimta pemetrexed 59 Vivus Qnexa 59 cholesterol reducers 59 Rivaroxaban 59 Pfizer Exubera 59 Montelukast 59 Byetta LAR 59 Cilostazol 59 Effient 59 Afinitor everolimus 59 GlaxoSmithKline Advair 59 Sanofi Aventis Taxotere 59 Roche Xeloda 59 Velcade bortezomib 59 Nebido 59 Vpriv 59 Certriad 59 Tyvaso 59 Genzyme Myozyme 59 Ticagrelor 59 MEVACOR 59 Medtronic Endeavor stent 59 Novartis Gilenia 59 Zetia Vytorin 59 Sanofi Lovenox 59 Stelara 59 Atelvia 59 Taxus Liberte 59 Glatiramer acetate 59 biogeneric 59 Kiacta 59 Treanda 59 Zometa zoledronic acid 59 Tracleer 58 Plavix 58 Vandetanib 58 Advagraf 58 glatiramer 58 Sepracor Lunesta 58 Vertex hepatitis C 58 Orexigen Contrave 58 pioglitazone Actos 58 blockbuster Plavix 58 Cladribine 58 etanercept Enbrel 58 PTK ZK 58 D mab 58 biosimilar versions 58 Effexor venlafaxine 58 Aptivus 58 Degarelix 58 Nitrolingual 58 statin Crestor 58 Genentech Roche 58 Simponi golimumab 58 Femara letrozole 58 Amgen Prolia 58 pill Exanta 58 Pfizer Revatio 58 Acomplia rimonabant 58 Fampridine 58 Olmesartan 58 Pemetrexed 58 Fabry Disease 58 generic Lovenox 58 Colazal 58 Degludec 58 ReoPro 58 zoledronic acid Zometa 58 Accolate 58 Cholesterol Lowering Drug 58 Copaxone glatiramer acetate 58 Rofecoxib 58 Plavix clopidogrel 58 Novartis Diovan 58 Generic Version 58 CONBRIZA 58 Levetiracetam 58 Galantamine 58 F.D.A. 58 Pirfenidone 58 transdermal formulation 58 Sapien valve 58 Ereska 58 Enjuvia 58 Cordis Cypher 58 Zegerid OTC 58 Gilenia 58 Bifeprunox 58 Krystexxa 58 Zocor simvastatin 58 ixabepilone 58 Tekturna aliskiren 58 Aprotinin 58 ezetimibe simvastatin 58 NasalFent 58 AstraZeneca Seroquel XR 58 Amlodipine Besylate 58 Frovatriptan 57 Pertuzumab 57 Aegerion Pharmaceuticals 57 Ambrisentan 57 Abbott Niaspan 57 JAK Inhibitor 57 Certican 57 Perindopril 57 rituximab Rituxan 57 Luveris 57 generic Allegra 57 Brilinta 57 Cancidas 57 Lilly Zyprexa 57 Aliskiren 57 Roche MabThera 57 Lucentis ranibizumab 57 Temsirolimus 57 varenicline tartrate 57 Roche RHHBY 57 Lilly Evista 57 topical NSAID 57 Eltrombopag 57 Votrient 57 Aplenzin 57 Eli Lilly Gemzar 57 Fosrenol 57 Egrifta 57 Novartis Femara 57 Glucophage XR 57 Lansoprazole 57 LAF# 57 Avastin bevacizumab 57 Afresa 57 Avandia rosiglitazone 57 Ropinirole 57 enoxaparin sodium 57 Cholesterol Drug 57 PDUFA Date 57 Qlaira 57 SUTENT ® 57 Fondaparinux 57 GlaxoSmithKline Plc Avandia 57 Toremifene 57 Nuedexta 57 drug Tracleer 57 Elan Tysabri 57 Biogen Idec Tysabri 57 Forsteo 57 Civacir 57 Vertex telaprevir 57 Pfizer torcetrapib 57 Xarelto rivaroxaban 57 GSK Advair 57 Telavancin 57 Amylin Byetta 57 Xience V 57 Dutasteride 57 Alvesco R 57 Arthritis Drug 57 lasofoxifene 57 BLP# 57 GlaxoSmithKline Coreg 57 Rosiglitazone 57 teratogenicity 57 Fluconazole 57 Abbokinase 57 Pfizer Zoloft 57 Allergan Botox 57 Seroquel quetiapine 57 Baraclude entecavir 57 Merck KGaA Erbitux 57 Emend 57 Tykerb lapatinib 57 Fablyn 57 Kombiglyze XR 57 Topamax topiramate 57 Promacta 57 Sumatriptan 57 Ozurdex 57 Serdolect 57 Crestor rosuvastatin 57 Soriatane 57 Romiplostim 57 Fenofibrate 57 GSK Cervarix 57 Gleevec Glivec 57 Replagal 57 GlaxoSmithKline Lamictal 57 Wyeth Progenics 57 Lurasidone 57 Prilosec omeprazole 57 Golimumab 57 generic Wellbutrin 57 Avastin Erbitux 57 OLEPTRO 57 tramadol ER 57 Genentech Rituxan 57 Amylin Eli Lilly 57 Alzhemed 57 Auxilium Pharma 57 Bristol Myers Squibb Sprycel 57 Treximet 57 medicated stent 57 Onconase 57 cladribine 57 Lipofen 56 Lung Cancer Drug 56 coxib 56 Bioequivalence 56 Advexin 56 Cymbalta duloxetine 56 Cipralex 56 Pfizer Geodon 56 HCl capsules 56 Centocor Remicade 56 Livalo 56 Diovan HCT 56 eltrombopag 56 oxaliplatin injection 56 Valsartan 56 Sanctura XR 56 Eplerenone 56 BeneFIX 56 Apixaban 56 Cubicin 56 rhThrombin 56 Generic Zocor 56 Amgen Sensipar 56 Gabapentin 56 Aprovel 56 Vernakalant 56 Enbrel etanercept 56 pioglitazone hydrochloride 56 Heartburn Drugs 56 QVA# 56 Tocosol 56 lapatinib Tykerb 56 Millennium Velcade 56 NovoSeven 56 ticlopidine 56 Sorafenib 56 Zetia ezetimibe 56 Pulminiq 56 Kaletra lopinavir ritonavir 56 AVANDIA 56 Crestor 56 Glaxo Tykerb 56 terlipressin 56 Tacrolimus 56 Introgen INGN 56 Novartis Afinitor 56 vorapaxar 56 Betaferon R 56 Pfizer Lyrica 56 Vidaza azacitidine 56 Rilutek 56 AOD# [002] 56 VIAject 56 Dacogen decitabine 56 Generic Lovenox 56 Tekamlo 56 Zoloft sertraline 56 Exanta 56 ACUROX ® 56 ximelagatran 56 Liraglutide 56 Ranexa 56 Anemia Drug 56 ZoMaxx 56 Sanvar 56 Tamsulosin 56 heparins 56 Aclasta Reclast 56 Saphris 56 clopidogrel Plavix 56 Genentech Herceptin 56 Firazyr 56 glitazone 56 approvability 56 Takeda Actos 56 Actimmune ® 56 Provenge prostate cancer 56 generic Prilosec 56 Desvenlafaxine 56 Evoltra 56 Hycamtin 56 XIENCE 56 Pravastatin 56 Generic Version Of 56 balsalazide tablet 56 TOPROL XL 56 Genentech Avastin 56 Diovan valsartan 56 Lidoderm 56 Nexavar sorafenib 56 Eloxatin ® 56 Mobic 56 Multaq 56 Febuxostat 56 metoprolol succinate 56 Merck Zocor 56 gadobutrol 56 Gleevec imatinib 56 Salix Pharma 56 TEMODAL 56 PrandiMet 56 ACTOS ® 56 Gralise 56 agomelatine 56 ONGLYZA ™ 56 Inspire Pharma 56 pill Avandia 56 Raptiva efalizumab 56 GSK# [002] 56 Pfizer Lipitor 56 Vimpat lacosamide 56 Abbott Xience stent 56 Denosumab 56 Carvedilol 56 Indiplon 56 Camptosar ® 56 Forteo teriparatide 56 Prandin 56 Schizophrenia Treatment 56 Roche Herceptin 56 Filgrastim 56 ZOLINZA 56 Roche Actemra 56 figitumumab 56 Stelara ustekinumab 56 Amrix 56 Kivexa 56 Endeavor Drug Eluting 56 Exemestane 56 Tesamorelin 56 Anastrozole 56 zotarolimus 56 antipsychotic Risperdal 56 topical diclofenac 56 Combunox 56 Roche Mircera 56 Bristol Myers Squibb Pravachol 55 Procoralan 55 cinacalcet 55 Celebrex painkiller 55 coated stents 55 Pantoprazole 55 darbepoetin alfa Aranesp 55 Pfizer Celebrex 55 Tysabri natalizumab 55 Genzyme Isis 55 BRILINTA 55 Durolane 55 sipuleucel T 55 Oxymorphone ER 55 Merck Vioxx 55 Paliperidone Palmitate 55 dalbavancin 55 PREVU x 55 Coreg CR 55 heterozygous FH 55 cholesterol reducer 55 atorvastatin Lipitor 55 Amgen anemia 55 Emselex 55 Factor Xa inhibitor 55 Lovenox 55 Targretin capsules 55 Neulasta ® 55 Eli Lilly Prozac 55 Taranabant 55 Fibrin Patch 55 Amgen Enbrel 55 Strattera atomoxetine 55 levocetirizine 55 Didanosine 55 Genentech Roche Chugai 55 clevidipine 55 Novartis Reclast 55 Mipomersen 55 cetuximab Erbitux 55 Xyotax 55 Zensana 55 Intelence 55 Esomeprazole 55 Corlux 55 YERVOY 55 Arcalyst 55 Voltaren Gel 55 Combigan 55 oxaliplatin Eloxatin 55 Brinavess 55 Lovenox enoxaparin 55 GlaxoSmithKline Plc GSK.L Quote 55 Edarbi 55 Psoriasis Drug 55 Fortesta 55 PROTONIX 55 generic Copaxone 55 Isentress raltegravir 55 TNF alpha inhibitor 55 Janssen Risperdal 55 platelet inhibitor 55 Arixtra ® 55 Orencia abatacept 55 exenatide Byetta 55 Cardiolite 55 antibiotic Cubicin 55 FDA Advisory Panel 55 anticlotting drug Plavix 55 duloxetine hydrochloride 55 Lamotrigine 55 GlaxoSmithKline Imitrex 55 Erbitux cetuximab 55 Triglide 55 Xience Prime 55 Trasylol aprotinin 55 Spiriva 55 inhibitor rofecoxib 55 Expanded Indication 55 Orphan Status 55 Alvesco 55 Dalbavancin 55 Glumetza TM 55 Removab 55 Angiox 55 Generic Versions 55 quinapril 55 Avandia Actos 55 FDA Approvals 55 Vimovo 55 Resolute stent 55 Crestor cholesterol 55 Merck Gardasil 55 aspirin clopidogrel 55 Extavia 55 Injectafer 55 Caduet 55 Xience V stent 55 Inhaled Insulin 55 warfarin Coumadin 55 Zingo TM 55 antiplatelet therapies 55 Allegra D# 55 Sodium Injection 55 antithrombotics 55 Parnate 55 Desmoteplase 55 Folotyn 55 KV Pharma 55 Inhaled insulin 55 Novartis Prexige 55 Glatiramer Acetate 55 Onsolis 55 prasugrel Effient 55 Detrol LA 55 valdecoxib 55 tasocitinib 55 painkiller Arcoxia 55 Toprol 55 Advate 55 Zactima 55 RotaShield 55 Abiraterone 55 Jevtana 55 coated stent 55 celecoxib Celebrex 55 Bazedoxifene 55 Vascular Wrap 55 Tasigna nilotinib 55 pantoprazole Protonix 55 Casodex 55 Taxotere docetaxel 55 Dapoxetine 55 InFuse 55 Erlotinib 55 coated coronary stent 55 Icatibant 55 Uloric 55 Cozaar Hyzaar 55 Zyflo 55 Retisert 55 Voraxaze 55 sorafenib Nexavar 55 MyVax 55 Fosamax alendronate 55 donepezil hydrochloride 55 anidulafungin 55 amifostine 55 Candesartan 55 Asmanex 55 Boceprevir 55 Pletal 55 ReFacto 55 Zelapar 55 Iloperidone 55 Sanofi Aventis Lovenox 55 Losartan 55 Betaferon multiple sclerosis 55 Eraxis 55 Stalevo ® 55 ORENCIA R 55 Cipro XR 55 Eszopiclone 55 Ditropan XL 55 Vfend 55 enoxaparin sodium injection 55 CNS Therapeutics 55 Alteplase 55 Solodyn 55 AZILECT ® 55 bloodthinner Plavix 55 Calcium Acetate 55 Elestrin TM 55 tecarfarin 55 CYPHER stent 55 medicated stents 55 Advair Seretide 55 FM VP4 55 vildagliptin 55 Pfizer Camptosar 55 Elan Biogen 55 Trobalt 55 ARIXTRA R 55 Sumatriptan Succinate 55 Enteryx 55 Xinlay 55 Abacavir 55 anticholesterol 55 HoFH 55 Fibrillex 54 Polypill 54 generic alendronate 54 GlaxoSmithKline Requip 54 Preos 54 Iressa gefitinib 54 Tolamba 54 Pulmicort Respules 54 Adentri 54 Blood Pressure Drug 54 Topiramate 54 drug coated Taxus 54 Aciphex R 54 Procrit Eprex 54 anticlotting drugs 54 Promus stent 54 Glaxo Cervarix 54 Arzerra 54 Generic Protonix 54 teriflunomide 54 Oxiplex 54 Oxaliplatin 54 Ethyol 54 Hydroxyurea 54 Onbrez Breezhaler 54 Pazopanib 54 oral anticoagulant 54 Trandolapril 54 antiplatelet drugs 54 Abbott Xience V 54 Avonex interferon beta 1a 54 Vimpat R 54 Spiriva Handihaler 54 Zenpep 54 ezetimibe Zetia 54 Relistor 54 Adcirca 54 Osteoporosis Drug 54 eluting stents 54 painkiller Celebrex 54 ELIQUIS 54 PLAVIX R 54 breast cancer pill Tykerb 54 GP IIb IIIa inhibitors 54 Ixempra 54 MYDICAR 54 Rheumatoid Arthritis Drug 54 generic Adderall XR 54 dabigatran 54 plasminogen activators 54 INTEGRILIN 54 Mycophenolate Mofetil 54 Novo Nordisk NOVOb.CO 54 Salagen 54 Biogen Idec Avonex 54 Vasotec 54 Januvia sitagliptin 54 Investigational Compound 54 Zalbin 54 DYSPORT 54 Biegelsen 54 efalizumab 54 noscapine 54 NovoSeven R 54 Zyflo CR 54 Roflumilast 54 Serdolect ® 54 Pristiq 54 Glycopyrrolate 54 Pargluva 54 Pradaxa 54 Biosimilars 54 Synvisc One 54 Cinacalcet HCl 54 Cubist Pharma 54 Avastin Herceptin 54 Cinquil 54 Horizant 54 alvimopan 54 ZEGERID Capsules 54 Ciclesonide 54 Taxol paclitaxel 54 Viramidine 54 Hypotension 54 CYPHER Stent 54 invasive candidiasis 54 raloxifene Evista 54 AFRS TM 54 Eliquis 54 Schizophrenia Drug 54 Tygacil 54 Heparins 54 Prexige lumiracoxib 54 Pixuvri 54 Tekturna HCT 54 Stedesa 54 anticlotting drug 54 Biosante 54 ARCOXIA 54 Increlex R 54 Lorqess 54 Cardiotoxicity 54 Dabigatran etexilate 54 Aciphex 54 HCl tablets 54 Relovair 54 Sycrest 54 insulin inhaler 54 Bridion 54 alendronate Fosamax 54 antifibrinolytic 54 Simvastatin tablets 54 Arthritis Drugs 54 Avelox 54 Maleate 54 CYPHER R Sirolimus eluting 54 thalidomide Thalomid 54 zotarolimus eluting stent 54 gatifloxacin 54 Pristiq desvenlafaxine 54 IlluminOss 54 Seroquel schizophrenia 54 Valtropin 54 cerivastatin 54 GW# [003] 54 Torisel 54 reslizumab 54 Biogen Elan 54 Cimzia 54 HepaSphere 54 PROVIGIL 54 Letrozole 54 anti thrombotics 54 Gaboxadol 54 valsartan Diovan 54 Lucrin 54 L BLP# 54 Orapred ODT 54 Nesiritide 54 Asentar 54 Wellstat 54 montelukast sodium 54 Bayer Nexavar 54 Istalol 54 Lyrica pregabalin 54 Exelon Patch 54 Oxytrol 54 Activase 54 Patent expiries 54 selective estrogen receptor modulator 54 FTY 54 Rezonic 54 topical ophthalmic 54 macitentan 54 Anzemet 54 fesoterodine 54 Panzem 54 Starlix 54 Ceftin 54 antipsychotic Seroquel 54 Sitagliptin 54 Levaquin levofloxacin 54 prasugrel 54 Endeavor drug eluting 54 Vioxx rofecoxib 54 DPP4 inhibitor 54 malignant ascites 54 carotid stents 54 Vaprisol 54 Abacavir Sulfate 54 Amlodipine Besylate Tablets 54 telcagepant 54 Fingolimod 54 Ziprasidone 54 Climara Pro 54 RE LY 54 cediranib 54 anti dyslipidemic 54 DU #b 54 SPARLON 54 Rapaflo 54 Sirolimus eluting 54 Zocor Merck 54 DAYTRANA TM 54 Wellbutrin XL R 54 Wellbutrin SR 54 Fragmin 54 pantoprazole 54 diabetes pill Avandia 54 Bucindolol 54 Bydureon 54 sitaxsentan 54 Sporanox 54 Visicol 54 Metricath Gemini 54 Rasagiline 54 enoxaparin Lovenox 54 Liberte stent 54 generation Taxus Liberte 54 Aryplase 54 Inspra 54 troglitazone 54 Afrezza 54 Relpax 53 HFA MDI 53 Arena lorcaserin 53 Viviant 53 Symbyax 53 rFVIIa 53 Eluting Coronary Stent System 53 Focalin XR 53 Xelox 53 Zyprexa olanzapine 53 Onyx Pharma 53 Deforolimus 53 Nebivolol 53 Singulair montelukast 53 Zegerid 53 pharmacoeconomic 53 BRAF inhibitor 53 atrial fibrillation AFib 53 Perforomist ™ Inhalation Solution 53 anticlotting 53 HIV protease inhibitors 53 Angeliq 53 ACUITY trial 53 PDE inhibitors 53 Cozaar 53 Rivastigmine 53 Lipitor 53 Affymax AFFY 53 coronary artery stents 53 Capoten 53 Neurontin gabapentin 53 Glargine 53 Aldara 53 Roche Pegasys 53 Lotensin 53 SPIRIVA ® 53 nasal calcitonin product 53 Epirubicin 53 Zavesca 53 Sanofi Aventis Plavix 53 Sebivo 53 Xolegel 53 Flomax tamsulosin 53 Dostinex 53 Toprol XL 53 Levothyroxine 53 GlaxoSmithKline Plc GSK.L 53 Asclera 53 oxypurinol 53 Benazepril Hydrochloride 53 LibiGel ® 53 Crizotinib 53 clazosentan 53 interferon beta 1b 53 VIMOVO 53 Hycamtin ® 53 alogliptin 53 Sertraline 53 Sanofi Aventis Acomplia 53 Catapres 53 inhalable insulin 53 FASLODEX 53 PREOS 53 Ustekinumab 53 Viagra Cialis Accutane 53 pravastatin Pravachol 53 SilverHawk Plaque Excision System 53 Neupro R 53 Vibativ 53 Boniva ibandronate 53 Myfortic 53 antiplatelets 53 Seroquel quetiapine fumarate 53 Stalevo 53 TriLipix 53 Gemzar gemcitabine 53 Plenaxis 53 Novo Nordisk Victoza 53 Anti Infectives 53 rosiglitazone maleate 53 Fosphenytoin 53 drug coated stents 53 Dronedarone 53 oral antiplatelet therapy 53 Sparlon 53 Crestor statin 53 Donepezil 53 Par Pharma 53 Botox Botox Cosmetic 53 AIR inhaled insulin 53 Anti infective 53 Boston Scientific Taxus 53 PegIntron 53 Novartis AG NVS NOVN.VX 53 Vioxx Celebrex 53 Zyprexa Cymbalta 53 Flutiform TM 53 CIP Fenofibrate 53 treat enlarged prostates 53 simvastatin ezetimibe 53 FOSAMAX PLUS D 53 rosuvastatin Crestor 53 parecoxib 53 AstraZeneca Prilosec 53 HCl Injection 53 Endeavor stent 53 naproxen esomeprazole magnesium 53 Teva Pharma 53 Wyeth Prempro 53 MAP Pharma 53 Taxotere chemotherapy 53 Erbitux colon cancer 53 roflumilast 53 REYATAZ R 53 Forteo 53 HIV treatments Reyataz 53 Drug Fails 53 tinidazole 53 Fesoterodine 53 Aggrenox 53 Xifaxan 53 Xyzal 53 ACCORD Lipid 53 phentermine topiramate 53 Lantus SoloSTAR 53 Topiramate Tablets 53 Leukine 53 Pfizer Aricept 53 drug eluting stent DES 53 Valtrex valacyclovir 53 Nexium ulcer medicine 53 Bonviva 53 AstraZeneca Plc AZN.L 53 Momenta Pharma 53 blood thinner Warfarin 53 Gemzar 53 sitagliptin Januvia 53 omalizumab Xolair 53 Fulvestrant 53 Vimpat ® lacosamide 53 NSABP C 53 Fortigel 53 Xiaflex 53 Nasacort AQ 53 reboxetine 53 esomeprazole Nexium 53 Cordarone 53 Brovana 53 cilostazol 53 GlaxoSmithKline Cervarix 53 drug Treanda 53 Trexima 53 AstraZeneca Nexium 53 Onrigin 53 Marketing Authorisation Application 53 statin Lipitor 53 Evista raloxifene 53 STELARA TM 53 Cypher Sirolimus 53 oral antiplatelet 53 Merck Arcoxia 53 VIVUS Qnexa 53 Macugen 53 Neupogen ® 53 Telmisartan 53 Pegintron 53 Neupro 53 sunitinib malate 53 Pfizer Selzentry 53 OSI Tarceva 53 Coversyl 53 Lopid 53 AERx iDMS 53 dual endothelin receptor antagonist