(5S,6S)-5,6-bis(2-((tert-butyldiphenylsilyl)oxy)ethyl)-5,6-dimethylcyclohexa-1,3-diene

(3S,4R)-3,4-Bis-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-3,4-dimethyl-cyclohexanone

(7s,8R)-bis-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-7,8-dimethyl-1,4-dioxa-spiro[4,5]decane