Table 2.

In vitro antibacterial activity of compounds 3a-l.

Compounds	MIC values of tested compounds (μg/mL) against
	Gram positive bacteria		Gram negative bacteria
	B. subtilis MTCC 1134	S. aureus MTCC 1144	E. coli MTCC 1089	P. aeruginosa MTCC 424
3a	160	320	80	160
3b	160	80	80	160
3c	40	80	320	40
3d	160	40	40	40
3e	160	320	160	40
3f	40	80	320	80
3g	40	40	160	80
3h	320	80	80	40
3i	160	160	40	40
3j	320	40	160	80
3k	160	80	320	160
3l	80	40	320	160
Ampicillin	20	20	20	20