139755-82-1 N-Desmethyl Sildenafil
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| ProductName: | N-去甲基西地那非 |
|---|---|
| ProductName: | N-Desmethyl Sildenafil |
smiles：CCCC(C(N=C(N1)C2=C(OCC)C=CC(S(N3CCNCC3)(=O)=O)=C2)=C4C1=O)=NN4C Molecular Formula：C21H28N6O4S Molecular Weight：460.55