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• Avanafil 330784-47-9
  Mirodenafil 862189-95-5
  
  Sildenafil
  Sildenafil Citrate 171599-83-0
  Sildenafil Mesylate 139755-83-2
  Dimethyl Sildenafil 1416130-63-6
  Hydroxyhomosildenafil
  Homosildenafil 642928-07-2
  Thiosildenafil 479073-79-5
  Thiohomosildenafil
  N-Desmethyl Sildenafil 139755-82-1
  Thiodimethyl Sildenafil (Dimethylthiosildenafil) 1260112-90-0
  Pyrazole N-desmethyl sildenafil
  Sildenafil HCl
  Benzyl Sildenafil
  N-Desmethyl sildenafil 139755-82-1
  Sildenafil N-Oxide
  Sildenafil amide
  Sildenafil Amine HCl
  
  Tadalafil
  Aminotadalafil 385769-84-6
  
  DeMethyltadalafil 171596-36-4
  Nortadalafil; DeMethyltadalafil ;N-DesMethyl Tadalafil;Tadalafil IMpurity:IMpurity C;(6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione;(6R-trans)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione
  
  
  methyltadalafil 171488-11-2
  acetaminotadalafil
  methylhydroxyhomosildenafil
  
  
  
  Udenafil 268203-93-6
  Vardenafil
  Vardenafil HCl 224785-90-4
  Hydroxy Vardenafil
  
  Acetildenafil (Hongdenafil) 831217-01-7
  Dimethyl acetildenafil N/A
  Dioxohongdenafil
  N-Desmethyl Acetildenafil
  Hydroxy acetildenafil
  Nor-acetildenafil 949091-38-7
  Piperi acetildenafil
  
  Estrone 18850-57-5
  
  PDE-5 Inhibitor (Sildenafil Related Compound)
  Sildenafil Impurity A Related Compound (Isomer of Isobutyl Sildenafil)
  Sildenafil Impurity ((1-methyl-4-Nitro -3-n-propyl pyrazole-5- carboxylic acid)
  Sildenafil Analogue I (Propoxyphenyl-Thiohydroxyhomosildenafil) 479073-90-0