(S)-2-((tert-butyldiphenylsilyl)oxy)-1-((2S,3S,6R,8R,9S)-3-methoxy-8-(2-((4-methoxybenzyl)oxy)ethyl)-9-methyl-1,7-dioxaspiro[5.5]undec-10-en-2-yl)ethyl pivalate

((4S,5S)-5-(((tert-butyldiphenylsilyl)oxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)methanol

(S)-4-((4S,5S)-5-(((tert-butyldiphenylsilyl)oxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)-4-methoxybutan-1-ol

(S)-1-((4S,5S)-5-(((tert-butyldiphenylsilyl)oxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)but-3-en-1-ol