(2S,5R)-1-(tert-butyldimethylsilanyloxy)-2-methyl-5-(triethylsilanyloxy)-8-(triisopropylsilanyl)oct-7-yn-3-one

triisopropyl[2-[(4R,6S)-6-[2-(p-methoxybenzyloxy)ethyl]-2,2-dimethyl[1,3]dioxan-4-yl]ethoxy]silane

(2S,6R,8S,10S)-2-[(3R)-4-(tert-butyldimethylsilanyloxy)-3-methyl-2-methylenebutyl]-10-hydroxy-8-[2-(p-methoxybenzyloxy)ethyl]-1,7-dioxaspiro[5.5]undecan-4-one

(8S,10R,12S,15S)-15-[(R)-4-(tert-Butyl-dimethyl-silanyloxy)-3-methyl-2-methylene-butyl]-10-(4-methoxy-benzyloxymethyl)-9,14-dioxa-1,5-dithia-dispiro[5.1.5.3]hexadecan-12-ol

(R)-1-[(4S,6R)-6-(4-Methoxy-benzyloxymethyl)-2,2-dimethyl-[1,3]dioxan-4-yl]-9-methyl-8-methylene-6,10-bis-triethylsilanyloxy-dec-3-yn-2-one