| CAS登录号 | 中文名 | 英文名 | 分子结构式 | 分子式 | 详情 | 供应商 |
| 139755-91-2 | 西地那非杂质C; 西地那非杂质C; 去乙基西地那非(西地那非杂质C) | Desethyl Sildenafil; Desethyl Sildenafil; 5-[2-Hydroxy-5-(4-Methylpiperazinylsulphonyl)phenyl]1-Methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyraMidin-7-one; 5-[2-Hydroxy-5-[[4-(Methyl)-1-piperazinyl]sulfonyl]phenyl]-1,6-dihydro-1-Methyl-3-propyl-7H-pyrazolo[4,3-d]pyriMidin-7-one; Sildenafil EP IMpurity C; 5-[2-Hydroxy-5-(4-methylpiperazinylsulfonyl)phenyl]-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one; O-Desethyl sildenafil |  | C20H26N6O4S | 详情 | 供应商 |
