培美曲塞二钠杂质32 货号:P010032 英文名:Pemetrexed disodium Impurity 32 同义词:(S)-4-(4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)-5-ethoxy-5-oxopentanoic acid CAS号:N/A 分子式:C22H25N5O6 分子量:455.46 询价订购