培美曲塞二钠杂质24 货号:P010024 英文名:Pemetrexed disodium Impurity 24 同义词:N-(2-amino-6-oxo-3,6-dihydropyrimidin-4-yl)-4-(3-(2,6-diamino-4-oxo-1,4-dihydropyrimidin-5-yl)-4-nitrobutyl)benzamide CAS号:N/A 分子式:C19H21N9O5 分子量:455.43 询价订购