5-allyloxy-3-bromo-7-(tert-butyldiphenylsilyloxy)-2,6-dimethyl-[1,4]-naphthoquinone

8-allyloxy-6-hydroxy-1,4-bis(methoxymethoxy)-3,7-dimethylnaphthalene-2-carboxylic acid β-trimethylsilylethyl ester

8-Allyloxy-5-bromo-6-hydroxy-1,4-bis-methoxymethoxy-3,7-dimethyl-naphthalene-2-carboxylic acid 2-trimethylsilanyl-ethyl ester

8-Allyloxy-1,4-dimethoxy-6-methoxymethoxy-3,7-dimethyl-naphthalene-2-carboxylic acid

8-allyloxy-1,4-dimethoxy-6-methoxymethoxy-3,7-dimethylnaphthalene-2-carboxylic acid β-trimethylsilylethyl ester