4-(2-benzyloxy-phenyl)-4-hydroxy-1-(3-hydroxy-1,4,5,6,8-pentamethoxy-naphthalen-2-yl)-butan-2-one

7,8-Bis-benzyloxy-6-[1-hydroxy-4-(3-hydroxy-1,4,5,6,8-pentamethoxy-naphthalen-2-yl)-3-oxo-butyl]-1-oxo-1H-isochromene-3-carboxylic acid methyl ester

6-{1-(tert-Butyl-dimethyl-silanyloxy)-4-[3-(tert-butyl-dimethyl-silanyloxy)-1,4,6-trimethoxy-5,8-dioxo-5,8-dihydro-naphthalen-2-yl]-3-oxo-butyl}-7,8-dihydroxy-1-oxo-1H-isochromene-3-carboxylic acid methyl ester

7,8-Bis-benzyloxy-6-{1-(tert-butyl-dimethyl-silanyloxy)-4-[3-(tert-butyl-dimethyl-silanyloxy)-1,4,5,6,8-pentamethoxy-naphthalen-2-yl]-3-oxo-butyl}-1-oxo-1H-isochromene-3-carboxylic acid methyl ester

(3-hydroxymethyl-1,4,5,7,8-pentamethoxy-naphthalen-2-yl)-methanol