(6R,8R)-3-Bromo-4,4-dimethoxy-6,8-bis-methoxymethoxy-6-(2-methyl-[1,3]dioxolan-2-yl)-5,6,7,8-tetrahydro-4H-naphthalen-1-one

5-Acetoxy-5-(1-acetoxy-ethyl)-2-(1,4-dimethoxy-naphthalen-2-ylmethyl)-cyclohexanecarboxylic acid benzyl ester

2-((2R,4R)-7-Bromo-5,8-dimethoxy-2,4-bis-methoxymethoxy-1,2,3,4-tetrahydro-naphthalen-2-yl)-2-methyl-[1,3]dioxolane

cis-1,2,3,4-tetrahydro-7-bromo-5,8-dimethoxy-2-acetyl-2,4-dihydroxynaphthalene cyclic 2-(ethyleneglycol ketal)

(8S,10S)-6,8,10-Trihydroxy-8-(2-methyl-[1,3]dioxolan-2-yl)-7,8,9,10-tetrahydro-naphthacene-5,12-dione