(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

(R)-1-[(4R,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-ol

1-[(4S,6R)-6-(4-Methoxy-benzyloxymethyl)-2,2-dimethyl-[1,3]dioxan-4-yl]-3-[2-((R)-5-methyl-4-methylene-2,6-bis-triethylsilanyloxy-hexyl)-[1,3]dithian-2-yl]-propan-2-one

Toluene-4-sulfonic acid (2R,4S,6S,8S,10S)-8-[(R)-4-(tert-butyl-dimethyl-silanyloxy)-3-methyl-2-methylene-butyl]-4,10-dihydroxy-10-methyl-1,7-dioxa-spiro[5.5]undec-2-ylmethyl ester