[(2R,5S,7R,8S)-2-Butyl-2-((S)-2,2-diethyl-[1,3]dioxolan-4-yl)-8-methyl-1,6-dioxa-spiro[4.5]dec-7-yl]-acetaldehyde

2-[(2R,5S,7R,8S)-2-Butyl-2-((S)-2,2-diethyl-[1,3]dioxolan-4-yl)-8-methyl-1,6-dioxa-spiro[4.5]dec-7-yl]-ethanol

tert-Butyl-[(R)-1-butyl-1-((S)-2,2-diethyl-[1,3]dioxolan-4-yl)-pent-4-enyloxy]-dimethyl-silane

(2R,5S,7R,8S)-2-Butyl-2-((S)-2,2-diethyl-[1,3]dioxolan-4-yl)-7-((E)-3-iodo-but-2-enyl)-8-methyl-1,6-dioxa-spiro[4.5]decane

(3R,4S,10R)-1,10-Bis-(tert-butyl-dimethyl-silanyloxy)-10-((S)-2,2-diethyl-[1,3]dioxolan-4-yl)-3-(4-methoxy-benzyloxy)-4-methyl-tetradecan-7-one