3-氨基吩恶嗪酮

2-甲基-3-苯基喹喔啉

7-hydroxy-12-oxidopyrido[3,2-a]phenazin-12-ium-5-one

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

1-(3-甲基喹喔啉-2-基)乙酮