article drug synthesis priority journal proton nuclear magnetic resonance unclassified drug stereochemistry 8 drug structure 6 carbon nuclear magnetic resonance 4 galactose 4 1,2 o isopropylidene alpha dextro xylopentadialdo 1,4 furanose(2 bromobenzoyl)hydrazone 2 1,2 o isopropylidene alpha dextro xylopentadialdo 1,4 furanose(2 chlorobenzoyl)hydrazone 2 1,2 o isopropylidene alpha dextro xylopentadialdo 1,4 furanose(3 bromobenzoyl)hydrazone 2 1,2 o isopropylidene alpha dextro xylopentadialdo 1,4 furanose(3 chlorobenzoyl)hydrazone 2 1,2 o isopropylidene alpha dextro xylopentadialdo 1,4 furanose(4 bromobenzoyl)hydrazone 2 1,2 o isopropylidene alpha dextro xylopentadialdo 1,4 furanose(4 chlorobenzoyl)hydrazone 2 1,2,4 triazolyl 3 thione 2 1,2,4-Triazolyl-3-thione 2 1,3,4 oxadiazole derivative 2 1,3,4-Oxadiazole 2 2 (1,2 o isopropylidene alpha dextro xylo tetrafuranos 4 yl) 5 (2 bromophenyl) 1,3,4 oxadiazole 2 2 (1,2 o isopropylidene alpha dextro xylo tetrafuranos 4 yl) 5 (2 chlorophenyl) 1,3,4 oxadiazole 2 2 (1,2 o isopropylidene alpha dextro xylo tetrafuranos 4 yl) 5 (3 bromophenyl) 1,3,4 oxadiazole 2 2 (1,2 o isopropylidene alpha dextro xylo tetrafuranos 4 yl) 5 (3 chlorophenyl) 1,3,4 oxadiazole 2 2 (1,2 o isopropylidene alpha dextro xylo tetrafuranos 4 yl) 5 (4 bromophenyl) 1,3,4 oxadiazole 2 2 (1,2 o isopropylidene alpha dextro xylo tetrafuranos 4 yl) 5 (4 chlorophenyl) 1,3,4 oxadiazole 2 2 propyl 3,4 dideoxy alpha dextro erythro hexopyranoside 2 3 (4 bromobenzoyl) 5 (1,2 o isopropylidene 3 o methyl alpha dextro xylofuranos 5 ulo 5 yl)imidazo[2,1 b]thiazole 2 3 (4 bromobenzoyl) 5 (1,2 o isopropylidene 3 o methyl alpha dextro xylofuranos 5 ulos 5 yl)imidazo[2,1 b]thiazole 2 3 benzoyl 5 (1,2 o isopropylidene 3 o methyl alpha dextro xylofuranos 5 ulo 5 yl)imidazo[2,1-b]thiazole 2 3,5 di o acetyl 6 deoxy 1,2 isopropylidene 6 [(4 bromobenzohydrazinecarbothionyl)amino]alpha dextro glucofuranose 2