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Sildenafil
Molecular Structure
Molecular Formula
C
22
H
30
N
6
O
4
S
Molecular Weight
474.58
CAS Registry Number
139755-83-2
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![Sildenafil, 5-[2-Ethoxy-5-(4-methylpiperazin-1-yl-sulphonyl)phenyl]-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazol[4,3d]pyrimidin-7-one 139755-83-2](/structures/139755-83-2.gif)