(1S,6R,10R)-11-(benzyloxy)-6-((tert-butyldimethylsilyl)oxy)-1-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)-10-hydroxy-1-methoxyundecane-4,8-dione

2-((2R,6S)-6-(((4R,6S)-6-(((2R,3S,6R,8R,9S)-8-(hydroxymethyl)-9-methoxy-3-methyl-1,7-dioxaspiro[5.5]undec-4-en-2-yl)methyl)-2,2-dimethyl-1,3-dioxan-4-yl)methyl)tetrahydro-2H-pyran-2-yl)ethyl pivalate

2-((2R,6S)-6-(((4R,6S)-6-(((2R,3S,6R,8R,9S)-8-((1S,3S)-1-hydroxy-3-methyl-2-oxopent-4-en-1-yl)-9-methoxy-3-methyl-1,7-dioxaspiro[5.5]undec-4-en-2-yl)methyl)-2,2-dimethyl-1,3-dioxan-4-yl)methyl)tetrahydro-2H-pyran-2-yl)ethyl pivalate

(2S,4S)-1-((2R,3S,6R,8R,9S)-8-(((tert-butyldiphenylsilyl)oxy)methyl)-9-methoxy-3-methyl-1,7-dioxaspiro[5.5]undec-4-en-2-yl)-5-((2S,6R)-6-(2-hydroxyethyl)tetrahydro-2H-pyran-2-yl)pentane-2,4-diol

2-((2R,6S)-6-(((4R,6S)-6-(((2R,3S,6R,8S,9S)-8-(2-((S)-but-3-en-2-yl)-1,3-dithiane-2-carbonyl)-9-methoxy-3-methyl-1,7-dioxaspiro[5.5]undec-4-en-2-yl)methyl)-2,2-dimethyl-1,3-dioxan-4-yl)methyl)tetrahydro-2H-pyran-2-yl)ethyl pivalate

(((2R,3S,6R,8S)-8-((R)-2,3-bis(benzyloxy)propyl)-3-methoxy-1,7-dioxaspiro[5.5]undec-10-en-2-yl)methoxy)(tert-butyl)diphenylsilane

(R)-1-(benzyloxy)-3-((2S,6R,8R,9S)-8-(((tert-butyldiphenylsilyl)oxy)methyl)-9-methoxy-1,7-dioxaspiro[5.5]undec-4-en-2-yl)propan-2-ol