2-(dimethylamino)-6-phenyl-1,3-oxazin-4-one

2-(dimethylamino)-1,3-oxazin-4-one

2-(dimethylamino)-5,6-dimethyl-1,3-oxazin-4-one

dimethyl 5-(dimethylamino)-1,2,4-triazine-3,6-dicarboxylate

托扎啉酮