Not Less Than – 95%
(2S,3R,4R,5S,6R)-2-(4-Chloro-3-(2-ethoxybenzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol; (2S,3R,4R,5S,6R)-2-(3-(2-Ethoxybenzyl)-4-chlorophenyl)-tetrahydro-6-(hydroxymethyl)-2H-pyran-3,4,5-triol