tert-Butyl 2-[(4R,6S)-2,2-Dimethyl-6-[(1-phenyl-1H-terazol-5-ylsulfonyl)methyl]-1,3-dioxan-4-yl]acetate

2,4,6-Trideoxy-3,5-O-(1-Methylethylidene)-6-[(1-phenyl-1H-tetrazol-5-yl)sulfonyl]-D-erythro-hexonic Acid 1,1-DiMethylethyl Ester

2,4,6-Trideoxy-3,5-O-(1-methylethylidene)-6-[(1-phenyl-1H-tetrazol-5-yl)sulfonyl]-D-erythro-hexanoic Acid 1,1-Dimethylethyl Ester