(8R,10S,12S,15S)-15-[(3R)-4-hydroxy-3-methyl-2-methylenebutyl]-10-[2-(p-methoxybenzyloxy)ethyl]-9,14-dioxa-1,5-dithiadispiro[5.1.5.3]hexadecan-12-ol

acetic acid (2S,4S,6R,8S,10S)-8-[(3R)-4-(tert-butyldimethylsilanyloxy)-3-methyl-2-methylenebutyl]-10-hydroxy-2-[2-(p-methoxybenzyloxy)ethyl]-10-methyl-1,7-dioxaspiro[5.5]undec-4-yl ester

acetic acid (2S,4S,6R,8S,10S)-8-[(3R)-4-(tert-butyldimethylsilanyloxy)-3-methyl-2-methylenebutyl]-2-(2-hydroxyethyl)-10-methyl-10-(triethylsilanyloxy)-1,7-dioxaspiro[5.5]undec-4-yl ester

(6S,9R)-1-{(4R,6S)-6-[2-(p-methoxybenzyloxy)ethyl]-2,2-dimethyl[1,3]dioxan-4-yl}-9-methyl-8-methylene-6,10-bis(triethylsilanyloxy)dec-3-yn-2-ol

acetic acid (2S,4S,6R,8S,10S)-8-[(3R)-4-(tert-butyldimethylsilanyloxy)-3-methyl-2-methylenebutyl]-2-[2-(p-methoxybenzyloxy)ethyl]-10-methyl-10-(triethylsilanyloxy)-1,7-dioxaspiro[5.5]undec-4-yl ester