3-(2-hydroxy-3-methoxyphenyl)prop-2-enoic acid

8-甲氧基-2-氧代-2H-色烯-3-羧酸酰胺

ethyl 8-methoxy-2-oxochromene-3-carboxylate

8-羟基苯并吡喃-2-酮

8-甲氧基香豆素