[(2R,4S,6S,8S,10S)-10-Methyl-8-((R)-3-methyl-2-methylene-4-oxo-butyl)-4,10-bis-triethylsilanyloxy-1,7-dioxa-spiro[5.5]undec-2-yl]-acetic acid tert-butyl ester

(2S,4S,6R,8S,10S)-2,8-Bis-(2-benzyloxy-ethyl)-10-(tert-butyl-dimethyl-silanyloxy)-4-methyl-1,7-dioxa-spiro[5.5]undecan-4-ol

(R)-5-((tert-butyl)dimethylsilyloxy)-3-(4-methoxybenzyloxy)pentanal

(R)-5-(tert-Butyl-dimethyl-silanyloxy)-3-(4-methoxy-benzyloxy)-pentanoic acid ethyl ester

((2R,4S,6R)-2-Phenyl-6-triisopropylsilanyloxymethyl-[1,3]dioxan-4-yl)-acetic acid tert-butyl ester