5-甲基呋喃-3(2H)-酮

赤芝酮

1-(2-羟基-4,6-二甲基苯基)乙酮

1-(2-ethenyl-5-methyl-2,3-dihydrofuran-4-yl)ethanone

2-chloro-6-methoxy-8-methylnaphthalene-1,4-dione