替莫唑胺EP杂质C 货号:T028001 英文名:Temozolomide EP Impurity C 同义词:3-methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carbonitrile CAS号:114601-31-9 分子式:C6H4N6O 分子量:176.14 黄金现货 询价订购