1-(2-羟基-5-甲基苯基)-1,3-丁烷二酮

1-(2-methoxy-5-methyl-phenyl)-butane-1,3-dione

丙酸酐

1-(2-acetoxy-5-methylphenyl)vinyl acetate

2,6-dimethyl-3-propionyl-chromen-4-one