2 propyl per o acetyl 3 deoxy 4 s (beta dextro xylopyranose) 4 thiohexopyranosid 2 ulose 1 Disaccharides 1 Enzyme Inhibitors 1 Escherichia coli 1 Glycosidase inhibitors 1 Stereoisomerism 1 Sugar enones 1 Sulfhydryl Compounds 1 Temperature 1 Thiodisaccharides 1 Thiopentopyranose 1 article 1 benzyl per o acetyl 3 deoxy 4 s (beta dextro galactosylpyranose) 4 thiopentopyranosid 2 ulose 1 beta glucosidase 1 beta-Galactosidase 1 beta-Glucosidase 1 concentration response 1 deprotection reaction 1 disaccharide 1 drug synthesis 1 enzyme inhibitor interaction 1 epimer 1 isomerization 1 reaction analysis 1 structure activity relation 1 thiodisaccharide derivative 1 unclassified drug 1