| 1 | 139755-83-2 | 西地那非 | Sildenafil | C22H30N6O4S
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| 2 | 253178-46-0 | Iso Sildenafil | Iso Sildenafil | C22H30N6O4S
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| 3 | | Iso Sildenafil-d3 | Iso Sildenafil-d3 | C22H30N6O4S
| Heterocycles;Intermediates & Fine Chemicals;Isotope Labelled Compounds;Pharmaceuticals;Sulfur & Selenium Compounds | |
| 4 | 2562360-05-6 | 乌地那非杂质5 | Udenafil Impurity 5 | C22H30N6O4S
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| 5 | | 西地那非杂质UK263 | Sildenafil iMpurity UK263 | C22H30N6O4S
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| 6 | 224785-87-9 | N-去乙基-N-甲基伐地那非 | N-Desethyl-N-Methyl Vardenafil | C22H30N6O4S
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| 7 | | 5-[2-Ethoxy-5-(4-Methylpiperazinyl Sulfonyl) Phenyl]-1-Methyl-3-Propyl-6,7-Dihydro-1H-Pyrazolo[4,3-D]Pyrimidin-7-One | 5-[2-Ethoxy-5-(4-Methylpiperazinyl Sulfonyl) Phenyl]-1-Methyl-3-Propyl-6,7-Dihydro-1H-Pyrazolo[4,3-D]Pyrimidin-7-One | C22H30N6O4S
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