Article 4 IC50 4 proton nuclear magnetic resonance 4 unclassified drug 4 Antibacterial activity 3 acarbose 3 alpha glucosidase inhibitor 3 controlled study 3 drug synthesis 3 α-Glucosidase 3 Bacillus subtilis 2 Escherichia coli 2 Ethyl isonipecotate 2 Salmonella enterica serovar Typhi 2 Staphylococcus aureus 2 antibacterial activity 2 ciprofloxacin 2 electron impact mass spectrometry 2 enzyme inhibition assay 2 mass spectrometry 2 minimum inhibitory concentration 2 molecular docking 2 non insulin dependent diabetes mellitus 2 thin layer chromatography 2 1 1 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