英文名称
rel-5-[5-[[(3R,5S)-3,5-Dimethyl-1-piperazinyl]sulfonyl]-2-propoxyphenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidine-7-thione (Sildenafil impurity)
Smiles Code
S=C1C(N(C)N=C2CCC)=C2N=C(C3=CC(S(=O)(N4C[C@@H](C)N[C@@H](C)C4)=O)=CC=C3OCCC)N1