1,2,4,5,8-pentamethoxynaphthalene

甲醇

5,8-二甲氧基-1,4-萘二酮

(4aα,5β,8aα)-2,5,8,8-tetramethoxy-4a,5,8,8a-tetrahydro-1,4-naphthoquinone

甲氧苯醌