(R)-1-((R)-4-benzyl-2-thioxothiazolidin-3-yl)-2-((4S,5R,6S)-6-((2S,4R)-4-((4S,5S,6R)-6-((2R,3R)-3-(tert-butyldimethylsilyloxy)pentan-2-yl)-2-(4-methoxyphenyl)-5-methyl-1,3-dioxan-4-yl)pentan-2-yl)-2,2,5-trimethyl-1,3-dioxan-4-yl)propan-1-one

(2R,3S,4S,5R)-1-((R)-4-benzyl-2-thioxothiazolidin-3-yl)-3-(tert-butyldimethylsilyloxy)-2,4-dimethyl-5-(triisopropylsilyloxy)heptan-1-one

(2R,3S,4S,5S,6S,7R)-5-(tert-butyldimethylsilyloxy)-2,4,6-trimethyl-3-(triethylsilyloxy)-7-(triisopropylsilyloxy)nonan-1-ol

(2S,3R)-1-((R)-4-benzyl-2-thioxothiazolidin-3-yl)-2-methyl-3-(triisopropylsilyloxy)pentan-1-one

(2S,3R,4R,5S,6S,7R)-5-(tert-Butyl-dimethyl-silanyloxy)-1-iodo-2,4,6-trimethyl-3-triethylsilanyloxy-7-triisopropylsilanyloxy-nonane

(2S,3R,4S,5R,6S,7R)-1-((R)-4-benzyl-2-thioxothiazolidin-3-yl)-5-(tert-butyldimethylsilyloxy)-3-hydroxy-2,4,6-trimethyl-7-(triisopropylsilyloxy)nonan-1-one

(2R,3S,4S,6R)-1-((R)-4-Benzyl-2-thioxo-thiazolidin-3-yl)-6-[(2R,4S,5S,6R)-6-[(1R,2R)-2-(tert-butyl-dimethyl-silanyloxy)-1-methyl-butyl]-2-(4-methoxy-phenyl)-5-methyl-[1,3]dioxan-4-yl]-3-hydroxy-2,4-dimethyl-heptan-1-one

(2S,4R)-4-((4S,5S,6R)-6-((2R,3R)-3-(tert-butyldimethylsilyloxy)pentan-2-yl)-2-(4-methoxyphenyl)-5-methyl-1,3-dioxan-4-yl)-2-methylpentanal

(2S,3R)-1-((R)-4-benzyl-2-thioxothiazolidin-3-yl)-3-hydroxy-2-methylpentan-1-one

(2S,3R,4R,5S,6S,7R)-1-((R)-4-benzyl-2-thioxothiazolidin-3-yl)-5-(tert-butyldimethylsilyloxy)-2,4,6-trimethyl-3-(triethylsilyloxy)-7-(triisopropylsilyloxy)nonan-1-one

(2S,3R)-2-methyl-3-(triisopropylsilyloxy)pentanal

(2R,3S,4S,5S,6S,8R)-1-((R)-4-Benzyl-2-thioxo-thiazolidin-3-yl)-8-[(2R,4S,5S,6R)-6-[(1R,2R)-2-(tert-butyl-dimethyl-silanyloxy)-1-methyl-butyl]-2-(4-methoxy-phenyl)-5-methyl-[1,3]dioxan-4-yl]-3-hydroxy-2,4,6-trimethyl-5-triethylsilanyloxy-nonan-1-one

(2S,3R)-2-((4R,5R,6R)-6-((S)-1-iodopropan-2-yl)-2-(4-methoxyphenyl)-5-methyl-1,3-dioxan-4-yl)pentan-3-ol

(2R,3S,4R,5R)-1-((R)-4-benzyl-2-thioxothiazolidin-3-yl)-3-hydroxy-2,4-dimethyl-5-(triisopropylsilyloxy)heptan-1-one

(2S,4R)-4-[(2R,4S,5S,6R)-6-[(1R,2R)-2-(tert-Butyl-dimethyl-silanyloxy)-1-methyl-butyl]-2-(4-methoxy-phenyl)-5-methyl-[1,3]dioxan-4-yl]-2-methyl-pentanoic acid ((1R,2R)-2-hydroxy-1-methyl-2-phenyl-ethyl)-methyl-amide

(2R,3S,4S,5R)-3-(tert-butyldimethylsilyloxy)-2,4-dimethyl-5-(triisopropylsilyloxy)heptanal

(2R,3S,4S,6R)-1-((R)-4-Benzyl-2-thioxo-thiazolidin-3-yl)-6-[(2R,4S,5S,6R)-6-[(1R,2R)-2-(tert-butyl-dimethyl-silanyloxy)-1-methyl-butyl]-2-(4-methoxy-phenyl)-5-methyl-[1,3]dioxan-4-yl]-2,4-dimethyl-3-triethylsilanyloxy-heptan-1-one