21-epi-20-O-(4-methoxybenzyl)-28-O-benzylsalinomycin

(2R,3R,6S)-6-[(2R,5R,6S)-5-benzyloxy-5-ethyl-6-methyltetrahydropyran-2-yl]-3,6-bis(tert-butyldimethylsilyloxy)-2-(4-methoxybenzyloxy)heptan-1-ol

(3R,4R,7S)-7-[(2R,5R,6S)-5-benzyloxy-5-ethyl-6-methyltetrahydropyran-2-yl]-4,7-bis(tert-butyldimethylsilyloxy)-2-(4-methoxybenzyloxy)oct-1-yne

(2S,3R,6R)-6-[(2R,5R,6S)-5-benzyloxy-5-ethyl-6-methyltetrahydropyran-2-yl]-3,6-bis(tert-butyldimethylsilyloxy)-2-(4-methoxybenzyloxy)heptanal

(2S,5R,6R)-2-[(2R,5R,6S)-5-benzyloxy-5-ethyl-6-methyltetrahydropyran-2-yl]-8-[(2RS,3R,5S,6S)-6-[(1S,2R)-1-ethyl-2-hydroxybutyl]-2-methoxy-3,5-dimethyltetrahydropyran-2-yl]-6-(4-methoxybenzyloxy)oct-7-yne-2,5-diol