培美曲塞杂质34 货号:P010034 英文名:Pemetrexed Impurity 34 同义词:4-(2-(2-amino-4,6-dioxo-4,5,6,7-tetrahydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoic acid CAS号:193265-47-3 分子式:C15H14N4O4 分子量:314.3 询价订购