2,3-二氯-6-甲氧基喹喔啉

1,4-dimethyl-2,3-dioxo-6-methoxy-1,2,3,4-tetrahydroquinoxaline

3-chloro-7-methoxy-1-methylquinoxalin-2(1H)-one

4-溴-1-甲基-1H-吡唑-5-羧酸甲酯

9-氧代-9h-芴-4-羧酸甲酯