6-甲氧基-[1,5]-萘啶-4-醇

2,2-dimethyl-5-propylidene-1,3-dioxane-4,6-dione

4-羟基-6-甲氧基喹啉

3,4-二甲氧基苯丙酸

8-甲氧基-2-氧代-2H-色烯-3-羧酸