5,8-diacetoxy-2-(1,4-diacetoxy-4-methylpentyl)-1,4-naphthoquinone

乙酰紫草素

1,4,5,8-tetramethoxynaphthalene

5,8-dihydroxy-2-(3'-carbo-tert-butoxypropyl)-1,4-naphthoquinone

tert-butyl 4-(5,8-dihydroxy-1,4-dioxo-1,2,3,4-tetrahydronaphthalen-2-yl)butanoate