(S)-2-((2S,6R,8S,11R)-11-(benzyloxy)-8-(((2S,4R)-2-(tert-butyl)-4-methyl-5-oxo-1,3-dioxolan-4-yl)methyl)-4-methyl-1,7-dioxaspiro[5.5]undec-4-en-2-yl)propanal

(2S,5R)-5-[(2S,5R,6R,8S)-5-Benzyloxy-8-((R)-2-hydroxy-1-methyl-ethyl)-10-methyl-1,7-dioxa-spiro[5.5]undec-10-en-2-ylmethyl]-2-tert-butyl-5-methyl-[1,3]dioxolan-4-one

(2S,5R)-5-(((2S,5R,6R,8S)-5-(benzyloxy)-8-((R)-1-((4-methoxybenzyl)oxy)propan-2-yl)-10-methyl-1,7-dioxaspiro[5.5]undec-10-en-2-yl)methyl)-2-(tert-butyl)-5-methyl-1,3-dioxolan-4-one

{(2S,5R,6S,8S)-5-Benzyloxy-8-[(R)-2-(4-methoxy-benzyloxy)-1-methyl-ethyl]-10-methyl-1,7-dioxa-spiro[5.5]undec-10-en-2-ylmethoxy}-tert-butyl-diphenyl-silane

(4S,9R,12S)-9-(benzyloxy)-12-hydroxy-4-((R)-1-((4-methoxybenzyl)oxy)propan-2-yl)-2,2,16,16-tetramethyl-15,15-diphenyl-3,14-dioxa-2,15-disilaheptadec-6-yn-8-one