Temozolomide EP Impurity C

Chemical Name: 8-Descarboxamido-8-cyano Temozolomide, 3,4-Dihydro-3-methyl-4-oxo-imidazo[5,1-d]-1,2,3,5-tetrazine-8-carbonitrile; 8-Cyano-3-methyl-[3H]-imidazo[5,1-d]-tetrazin-4-one ; 3-methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carbonitrile