methyl 2-{(2R,3S)-3-{[(4S)-4-benzyl-2-oxo-oxazolidin-3-yl]carbonyl}-2-[(triisopropylsilyl)oxy]hex-5-ynyl}-4,6-dimethoxybenzoate

methyl 2-{(2R,3R)-3-(hydroxymethyl)-2-[(triisopropylsilyl)oxy]hex-5-ynyl}-4,6-dimethoxybenzoate

methyl 2,4-dimethoxy-6-{(2R,3R)-3-({[(4-methylphenyl)sulfonyl]oxy}methyl)-2-[(triisopropylsilyl)oxy]hex-5-ynyl}benzoate

(1S)-1-{(1R,2R,3R)-2-{[tert-butyl(dimethyl)silyl]oxy}-5-[(3,4-dimethoxybenzyl)oxy]-1,3-dimethylpentyl}pent-3-ynyl 2,4-dimethoxy-6-{(2R,3S)-3-methyl-2-[(triisopropylsilyl)oxy]hept-5-ynyl}benzoate

(5S,6S,7R,8R)-10-((3,4-dimethoxybenzyl)oxy)-7-hydroxy-6,8-dimethyldec-2-yn-5-yl 2,4-dimethoxy-6-((2R,3S)-3-methyl-2-((triisopropylsilyl)oxy)hept-5-yn-1-yl)benzoate

2,4-dimethoxy-6-{(2R,3S)-3-methyl-2-[(triisopropylsilyl)oxy]hept-5-ynyl}benzoic acid

methyl 2,4-dimethoxy-6-{(2R,3S)-3-methyl-2-[(triisopropylsilyl)oxy]hex-5-ynyl}benzoate