2-Methyl-6-acetoxy-cyclohexen-(2)-on

2,3-dimethylcyclohex-2-en-1-one

2,3-dimethyl-5-phenylsulfonyl-1,4-benzoquinone

2,3-dimethyl-5-(4-methylphenylthio)cyclohexa-2,5-diene-1,4-dione

4-氨基-2,3-二甲苯酚