培美曲塞杂质72 货号:P010072 英文名:Pemetrexed Impurity 72 同义词:(S)-2-(4-(2-((RS)-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:N/A 分子式:C20H21N5O8 分子量:459.41 询价订购