Article 4 drug synthesis 4 molecular docking proton nuclear magnetic resonance 4 unclassified drug 4 IC50 3 controlled study 3 infrared spectroscopy 3 nonhuman 3 Bacillus subtilis 2 Escherichia coli 2 Salmonella enterica serovar Typhi 2 Staphylococcus aureus 2 antibacterial activity 2 carbon nuclear magnetic resonance 2 elemental analysis 2 1 (3,5 dichloro 2 ethoxyphenylsulfonyl) N (2 hydroxybenzylidene)piperidin 4 carbohydrazide 1 1 (3,5 dichloro 2 ethoxyphenylsulfonyl) N (2 nitrobenzylidene)piperidin 4 carbohydrazide 1 1 (3,5 dichloro 2 ethoxyphenylsulfonyl) N (2,4 dichlorobenzylidene)piperidin 4 carbohydrazide 1 1 (3,5 dichloro 2 ethoxyphenylsulfonyl) N (3 nitrobenzylidene)piperidin 4 carbohydrazide 1 1 (3,5 dichloro 2 ethoxyphenylsulfonyl) N (3,4 dimethoxybenzylidene)piperidin 4 carbohydrazide 1 1 (3,5 dichloro 2 ethoxyphenylsulfonyl) N (4 dimethylamino)benzylidene)piperidin 4 carbohydrazide 1 1 (3,5 dichloro 2 ethoxyphenylsulfonyl) N (4 hydroxybenzylidene)piperidin 4 carbohydrazide 1 1 (3,5 dichloro 2 ethoxyphenylsulfonyl) N (4 methoxybenzylidene)piperidin 4 carbohydrazide 1 1 [(3,5 dichloro 2 ethoxyphenylsulfonyl] piperidin 4 carbohydrazide 1 2 (2 amino 1,3 thiazol 4 yl)acetohydrazide 1 2 [2 (2 amino 1,3 thiazol 4 yl)acetyl] n phenyl 1 hydrazinecarbothioamide 1 2 furyl [4 [4 (1 piperidinylsulfonyl)benzyl] 1 piperazinyl]methanone 1 2 furyl [4 [4 (4 morpholinylsulfonyl)benzyl] 1 piperazinyl]methanone 1 2 furyl [4 [4 [(2 methyl 1 piperidinyl)sulfonyl]benzyl] 1 piperazinyl]methanone 1