(S)-3-<1-(1,1-ethylenedioxy)ethyl>-1,2,3,4-tetrahydro-3-hydroxy-5,8-dimethonaphthalenone

((R)-2,4-Dihydroxy-5,8-dimethoxy-1,2,3,4-tetrahydro-naphthalen-2-yl)-acetonitrile

(S)-3-acetoxymethyl-1,2,3,4-tetrahydro-3-hydroxy-5,8-dimethoxy-1-oxo-naphthalene

(S)-2,4-Dihydroxy-5,8-dimethoxy-1,2,3,4-tetrahydro-naphthalene-2-carboxylic acid methyl ester

(1S)-cis-3-acetoxymethyl-1,2,3,4,6,11-hexahydro-1,3,5,12-tetrahydroxy-6,11-dioxonaphthacene