ethyl 3-formyl-4-oxido-1-oxoquinoxalin-1-ium-2-carboxylate

2,3-二(4-甲氧基苯基)喹喔啉

1,2-二亚硝基苯

2-butyl-3-methyl-4-oxidoquinoxalin-1-ium 1-oxide

1-morpholin-4-yl-4-(4-oxidoquinoxalin-4-ium-2-yl)butan-1-one