6,6'-乙烯二(1,3,5-三嗪-2,4-二胺)

4-(hydrazinylmethylideneamino)-4-oxobutanoic acid

diethyl 3-oxocyclohexane-1,2-dicarboxylate

2,3,7,8-tetrahydropyridazino[1,2-a]pyridazine-1,4,6,9-tetrone

4-(乙酰基氧基)-8-溴-5,6-二甲氧基-2-萘羧酸乙酯