<4-hydroxy-2-methyl-6-(2-nitrobenzyloxy)-5-<2-(trimethylsilyl)ethoxymethoxy>tetrahydropyran-3-ylidene>acetic acid methyl ester

N-<6-<4-hydroxy-6-methyl-5-methylsulfanyl-2-(2-nitrobenzyloxy)-5-vinyltetrahydropyran-3-yloxy>-4-methoxytetrahydropyran-3-yl>-N-isopropylcarbamic acid 9H-fluoren-9-ylmethyl ester

3a-(2-hydroxyethyl)-4-methyl-6-(2-nitrobenzyloxy)-7-<2-(trimethylsilyl)ethoxymethoxy>tetrahydro<1,3>oxathiolo<4,5-c>pyran-2-thione

benzoic acid 5-<5-<(9H-fluoren-9-ylmethoxycarbonyl)isopropylamino>-4-methoxytetrahydropyran-2-yloxy>-2-methyl-3-methylsulfanyl-6-(2-nitrobenzyloxy)-3-vinyltetrahydropyran-4-yl ester

(R)-1-[(2R,3R,4R,5R,6R)-4-Hydroxy-2-methyl-3-methylsulfanyl-6-(2-nitro-benzyloxy)-5-(2-trimethylsilanyl-ethoxymethoxy)-tetrahydro-pyran-3-yl]-ethane-1,2-diol

N-isopropyl-N-<4-metoxy-6-<6-methyl-5-methylsulfanyl-2-(2-nitrobenzyloxy)-4-(triethylsilyloxy)-5-vinyltetrahydropyran-3-yloxy>tetrahydropyran-3-yl>carbamic acid 9H-fluoren-9-ylmethyl ester

4-methyl-6-(2-nitrobenzyloxy)-7-<2-(trimethylsilyl)ethoxymethoxy>-3a-vinyltetrahydro<1,3>oxathiolo<4,5-c>pyran-2-thione