4-acetamidobenzenesulfonyl chloride Antibacterial activity Article Bacillus subtilis Escherichia coli Lipoxygenase Phenethyl amine Pseudomonas aeruginosa Salmonella enterica serovar Typhi Staphylococcus aureus antibacterial activity antiinfective agent baicalein ciprofloxacin controlled study drug determination drug screening drug structure drug synthesis enzyme inhibition infrared spectroscopy lipoxygenase mass spectrometry n [4 [(phenethylamino)sulfonyl]phenyl]acetamide n [4 [[(2 chlorobenzyl)(phenethyl)amino]sulfonyl]phenyl]acetamide n [4 [[(4 chlorobenzyl)(phenethyl)amino]sulfonyl]phenyl]acetamide n [4 [[(butan 2 yl)(phenethyl)amino]sulfonyl]phenyl]acetamide n [4 [[(propan 2 yl)(phenethyl)amino]sulfonyl]phenyl]acetamide n [4 [[benzyl(phenethyl)amino]sulfonyl]phenyl]acetamide n [4 [[pentyl(phenethyl)amino]sulfonyl]phenyl]acetamide