2-甲氧基-4-甲基苯酚

(2Z,4E)-3-methyl-2,4-hexadienedioic acid

4-hydroxy-2-methoxy-4-methyl-2,5-cyclohexadien-1-one

2-(4-甲基-1,3-二恶烷-4-基)乙醇

环己烯