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Sildenafil
Sildenafil Impurity 4
Product ID：
S005008
Synonyms：
N-Desmethyl Sildenafil; 5-(2-ethoxy-5-(piperazin-1-ylsulfonyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one
CAS No.:
139755-82-1
Formula:
C
21
H
28
N
6
O
4
S
Weight:
460.549822807312
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