甲萘醌

2,3-二甲基萘-1,4-二酮

(+-)-2ξ-methyl-(4arH.8acH)-2.3.4a.5.8.8a-hexahydro-naphthoquinone-(1.4)

5,8-diacetoxy-6-methyl-1,4-dihydro-naphthalene

2-methyl-5,6,7,8-tetrahydro-[1,4]naphthoquinone