3-bromo-2-hydroxy-4-methoxybenzaldehyde

1,3-二氢-1-羟基-2,1-色氨酸-6-醇

3-甲氧基苯并[c]色烯-6-酮

7-methoxy-3-methyl-2H-chromene

7-Methoxy-3-phenyl-2H-chromen-2-one