(8R,8aR)-2,2-di-tert-butyl-8-(tert-butyl-diphenyl-silanyloxy)-6-methyl-4,4a,8,8a-tetrahydro-1,3,5-trioxa-2-sila-naphthalene

(4aS,6R,7S,8R,8aS)-2,2-di-tert-butyl-8-(tert-butyl-diphenyl-silanyloxy)-6-methyl-6-(2-methylallyl)-hexahydro-1,3,5-trioxa-2-sila-naphthalen-7-ol

(4aS,6R,7S,8R,8aS)-2,2-di-tert-butyl-6-methyl-6-(2-methylallyl)-hexahydro-1,3,5-trioxa-2-sila-naphthalene-7,8-diol

(4aS,6R,7S,8R,8aS)-2,2-di-tert-butyl-6-methyl-6-(2-methylallyl)-8-(trimethylsilanyloxy)-hexahydro-1,3,5-trioxa-2-sila-naphthalen-7-ol

5,5-dimethoxypentanoic acid 2,2-di-tert-butyl-6-methyl-6-(2-methylallyl)-8-trimethylsilanyloxy-hexahydro-1,3,5-trioxa-2-sila-naphthalen-7-yl ester