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???(??):: SildefilImpurity10;Sildenafil Impurity 67;1-Decarboxyl-1-(broMoacetyl) Norneovardenafil;Flunitrazepam Impurity 4 (Flunitrazepam EP Impurity D);1-Decarboxyl-1-(bromoacetyl) Norneovardenafil (contains up to 10% 1-Chloroacetyl);Imidazo[5,1-f][1,2,4]triazin-4(1H)-one, 2-[5-(2-bromoacetyl)-2-ethoxyphenyl]-5-methyl-7-propyl-

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1-?????-1-(??????)????????? ??

Beige Solid

1-Decarboxy-1-(bromoacetyl) Norneovardenafil is an intermediate in the preparation of the phosphodiesterase inhibitor Norneovardenafil (N824500).

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7H-Pyrazolo[4,3-d]pyrimidin-7-one, 1,6-dihydro-5-(2-hydroxyphenyl)-1-methyl-3-propyl- Iso Sildenafil Tetrabutylammonium bromide 1H-Pyrazolo[4,3-d]pyriMidine, 7-ethoxy-5-[2-ethoxy-5-[(4- Methyl-1-piperazinyl)sulfonyl] phenyl]-1-Methyl-3-propyl- Sildenafil Aldehyde IMpurity Methisosildenafil Sildenafil 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonamide N-DESMETHYL SILDENAFIL-D8 Thiodimethyl Sildenafil (Dimethylthiosildenafil) Sildenafil Impurity 82 Sildenafil Impurity 18 Sildenafil Impurity 25 N-Boc-N-desethyl Acetildenafil Propoxyphenyl-thiohydroxyhomosildenafil SILDENAFIL HYDROCHLORIDE Sildenafil Impurity 5-[5-[(3S,5R)-3,5-dimethylpiperazin-1-yl]sulfonyl-2-propoxyphenyl]-1-methyl-3-(2-methylpropyl)-4H-pyrazolo[4,3-d]pyrimidin-7-one