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

二甲氧基二-P-甲酚

(2,4'-dihydroxy-3,3'-dimethoxy-5-methyl)diphenylmethane