| 1 | 936951-20-1 | TPN729 | TPN729 | C25H36N6O4S
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| 2 | 268203-93-6 | Udenafil | Udenafil | C25H36N6O4S
| 乌地那非;保健减肥原料 | |
| 3 | 1425504-78-4 | 艾地那非杂质 | Methisosildenafil impure | C25H36N6O4S
| 药品杂质 | 药品杂质 |
| 4 | 1621873-33-3 | 5-[5-[(3S,5R)-3,5-dimethylpiperazin-1-yl]sulfonyl-2-propoxyphenyl]-1-methyl-3-(2-methylpropyl)-4H-pyrazolo[4,3-d]pyrimidin-7-one | 5-[5-[(3S,5R)-3,5-dimethylpiperazin-1-yl]sulfonyl-2-propoxyphenyl]-1-methyl-3-(2-methylpropyl)-4H-pyrazolo[4,3-d]pyrimidin-7-one | C25H36N6O4S
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| 5 | 2253964-66-6 | 西地那非相关物质2 | 7H-Pyrazolo[4,3-d]pyrimidin-7-one, 5-[5-[(3,5-dimethyl-1-piperazinyl)sulfonyl]-2-propoxyphenyl]-1,6-dihydro-1-methyl-3-(2-methylpropyl)- | C25H36N6O4S
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| 6 | 1032008-25-5 | D3-UDENAFIL | d3-3-(1-Methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyriMidin-5-yl)-N-[2-(1-Methyl-pyrrolidin-2-yl)-ethyl]-4-propoxy-benzenesulfonaMide | C25H36N6O4S
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| 7 | | 3-(9-methyl-2-oxo-7-propyl-3,5,8,9-tetrazabicyclo[4.3.0]nona-3,7,10-trien-4-yl)-N-[2-(1-methylpyrrolidin-2-yl)ethyl]-4-propoxy-benzenesulfonamide | 3-(9-methyl-2-oxo-7-propyl-3,5,8,9-tetrazabicyclo[4.3.0]nona-3,7,10-trien-4-yl)-N-[2-(1-methylpyrrolidin-2-yl)ethyl]-4-propoxy-benzenesulfonamide | C25H36N6O4S
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