英文名称
4,4'-((3,3'-(Piperazine-1,4-disulfonyl)bis(6-ethoxybenzoyl))bis(azanediyl))bis(1-methyl-3-propyl-1H-pyrazole-5-carboxamide) (Sildenafil Impurity)
4,4'-((3,3'-(哌嗪-1,4-二磺酰基)双(6-乙氧基苯甲酰基))双(氮烷二基))双(1-甲基-3-丙基-1H-吡唑-5-甲酰胺) (西地那非杂质)
Smiles Code
O=C(NC(C(CCC)=NN1C)=C1C(N)=O)C2=C(OCC)C=CC(S(=O)(N3CCN(S(C4=CC(C(NC(C(CCC)=NN5C)=C5C(N)=O)=O)=C(OCC)C=C4)(=O)=O)CC3)=O)=C2