Article IC50 2 acetylcholinesterase 2 drug synthesis 2 elemental analysis enzyme inhibition 2 proton nuclear magnetic resonance 2 structure activity relation 2 thin layer chromatography 2 unclassified drug 1 [(4 chlorophenyl)sulfonyl]piperidin 4 carbohydrazide 1 1,3,4-Oxadiazole 1 2 {2,3 dihydro 1,4 benzodioxin 6 yl[(4 methylphenyl) sulfonyl]amino} n (2 methoxyphenyl) acetamide 1 2 {2,3 dihydro 1,4 benzodioxin 6 yl[(4 methylphenyl) sulfonyl]amino} n (2 methylphenyl) acetamide 1 2 {2,3 dihydro 1,4 benzodioxin 6 yl[(4 methylphenyl) sulfonyl]amino} n (2,3 dimethylphenyl) acetamide 1 2 {2,3 dihydro 1,4 benzodioxin 6 yl[(4 methylphenyl) sulfonyl]amino} n (2,4 dimethylphenyl) acetamide 1 2 {2,3 dihydro 1,4 benzodioxin 6 yl[(4 methylphenyl) sulfonyl]amino} n (2,5 dimethylphenyl) acetamide 1 2 {2,3 dihydro 1,4 benzodioxin 6 yl[(4 methylphenyl) sulfonyl]amino} n (2,6 dimethylphenyl) acetamide 1 2 {2,3 dihydro 1,4 benzodioxin 6 yl[(4 methylphenyl) sulfonyl]amino} n (3 methylphenyl) acetamide 1 2 {2,3 dihydro 1,4 benzodioxin 6 yl[(4 methylphenyl) sulfonyl]amino} n (3,4 dimethylphenyl) acetamide 1 2 {2,3 dihydro 1,4 benzodioxin 6 yl[(4 methylphenyl) sulfonyl]amino} n (3,5 dimethylphenyl) acetamide 1 2 {2,3 dihydro 1,4 benzodioxin 6 yl[(4 methylphenyl) sulfonyl]amino} n (4 ethoxyphenyl) acetamide 1 2 {2,3 dihydro 1,4 benzodioxin 6 yl[(4 methylphenyl) sulfonyl]amino} n (4 methylphenyl) acetamide 1 2 {2,3 dihydro 1,4 benzodioxin 6 yl[(4 methylphenyl) sulfonyl]amino}n phenylacetamide 1 5 {1 [(4 chlorophenyl)sulfonyl]piperidin 4 yl} 2 (allylthio) 1,3,4 oxadiazole 1 5 {1 [(4 chlorophenyl)sulfonyl]piperidin 4 yl} 2 (benzylthio) 1,3,4 oxadiazole 1 5 {1 [(4 chlorophenyl)sulfonyl]piperidin 4 yl} 2 (ethylthio) 1,3,4 oxadiazole 1 5 {1 [(4 chlorophenyl)sulfonyl]piperidin 4 yl} 2 [(1 butyl)thio] 1,3,4 oxadiazole 1 5 {1 [(4 chlorophenyl)sulfonyl]piperidin 4 yl} 2 [(1 heptyl)thio] 1,3,4 oxadiazole 1 5 {1 [(4 chlorophenyl)sulfonyl]piperidin 4 yl} 2 [(1 octyl)thio] 1,3,4 oxadiazole 1