培美曲塞杂质43 货号:P010043 英文名:Pemetrexed Impurity 43 同义词:(S)-2-((S)-2-(4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)-4-carboxybutanamido)pentanedioic acid CAS号:N/A 分子式:C25H28N6O9 分子量:556.52 询价订购