培美曲塞杂质2 货号:P010007 英文名:Pemetrexed Impurity 2 同义词:(2S)-2-(4-(2-(2-amino-5-hydroxy-4,6-dioxo-4,5,6,7-tetrahydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)pentanedioic acid CAS号:1644286-36-1 分子式:C20H21N5O8 分子量:459.41 询价订购