培美曲塞杂质64 货号:P010064 英文名:Pemetrexed Impurity 64 同义词:(R)-diethyl 2-(4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)pentanedioate CAS号:N/A 分子式:C24H29N5O6 分子量:483.52 询价订购