8-allyloxy-5-bromo-1,4,6-tris(methoxymethoxy)-3,7-dimethylnaphthalene-2-carboxylic acid β-trimethylsilylethyl ester

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

8-Allyloxy-6-(tert-butyl-diphenyl-silanyloxy)-1,4-bis-methoxymethoxy-3,7-dimethyl-naphthalene-2-carboxylic acid