1,2-bis-(2,3-dimethyl-naphthyl-(1))-ethanediol-(1,2)

2,3-dimethyl-2-hydroxy-1,2,3,4-tetrahydronaphthalin-1,4-dione

(+-)-2-methyl-(4arH.8acH)-4a,5,8,8a-tetrahydro-naphthoquinone-(1.4)

甲基苯醌

2-丁炔