3-Methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetraazine-8-carboxamide 85622-93-1 AIDS-129717 AIDS129717 Methazolastone NSC362856 Temozolomide {Imidazo[5,1-d]-1,2,3,5-tetrazine-8-carboxamide,} 3, 4-dihydro-3-methyl-4-oxo-