drug synthesis article 4 oxadiazole derivative 4 structure activity relation 4 unclassified drug 4 (5 aryl oxadiazole 3 yl) methyl dextro ribofuranoside derivative 2 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-Oxadiazole 2 1,2,4-Triazole 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 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 5 (4 clorophenyl) 4 (1,2 o isopropylidene alpha dextro glucofuranos 6 yl) 1,2,4 triazoline 3 thione 2 5-Amino-1,3,4-thiadiazole 2