| 中文名称 | 枸橼酸西地那非EP杂质B |
|---|---|
| 英文名称 | Sildenafil citrate EP impurity B |
| 英文别名 | Sildenafil N-Oxide;5-[2-ethoxy-5-(4-methyl-4-oxidopiperazin-4-ium-1-yl)sulfonylphenyl]-1-methyl-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-7-one;5-[2-Ethoxy-5-[(4-methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one;4-((4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7;Sildenafil EP Impurity B |
| CAS号 | 1094598-75-0 |
| 分子式 | C22H30N6O5S |
| 分子量 | 490.58 |
| 纯度 | 97.08% |