7-羟基香豆素-3-羧酸乙酯

ethyl 6-fluoro-7-hydroxycoumarin-3-carboxylate

ethyl 7-methoxy-2-oxochromene-3-carboxylate

2,3-二氨基-6,8-二甲基-1,5-二苯基-2,4,6,8-四氮杂双环[3.3.0]辛-3-烯-7-酮