培美曲塞二钠杂质30 货号:P010030 英文名:Pemetrexed disodium Impurity 30 同义词:(S)-diethyl 2-(4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)pentanedioate CAS号:146943-43-3 分子式:C24H29N5O6 分子量:483.52 黄金现货 询价订购