2-(1'-bromo-4'-hydroxy-4'-methylpentyl)-1,4,5,8-tetraacetoxynapthalene

(E)-4-(5,8-Dihydroxy-1,4-dioxo-1,2,3,4-tetrahydro-naphthalen-2-yl)-but-2-enoic acid tert-butyl ester

乙酰紫草素

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