(S)-3-(tert-butyldimethylsilyloxy)-4-{(4R,5R)-5-[(S)-5-(tert-butyldimethylsilyloxy)-4-methylpentyl]-2,2,5-trimethyl-1,3-dioxolan-4-yl}butan-2-one

(S)-2-(tert-butyldimethylsilyloxy)-3-{(4R,5R)-5-[(S)-5-(tert-butyldimethylsilyloxy)-4-methylpentyl]-2,2,5-trimethyl-1,3-dioxolan-4-yl}-N-methoxy-N-methylpropanamide

(4S,5R)-3-[(S)-3-{(4R,5R)-5-[(S)-5-(tert-butyldimethylsilyloxy)-4-methylpentyl]-2,2,5-trimethyl-1,3-dioxolan-4-yl}-2-hydroxypropanoyl]-4-methyl-5-phenyloxazolidin-2-one

(3S,6R,7S,8S)-1,3-bis(tert-butyldimethylsilyloxy)-11-{(4R,5R)-5-[(S,E)-2-(tert-butyldimethylsilyloxy)-3-methyl-4-(2-methylthiazol-4-yl)but-3-enyl]-2,2,4-trimethyl-1,3-dioxolan-4-yl}-7-hydroxy-4,4,6,8-tetramethylundecan-5-one