培美曲塞EP杂质E(二钠盐) 货号:P010037A 英文名:Pemetrexed EP Impurity E(Disodium Salt) 同义词:sodium (R)-2-(4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)pentanedioate CAS号:937370-10-0 分子式:C20H19N5O6.2Na 分子量:425.39 2*22.99 询价订购