Table 2.

Minimum inhibitory concentrations of the newly synthesized cephalosporins (MIC values, μg/mL).

Compound	M. letus ATCC 9341	S. aureus ATCC 25923	E. coli ATCC 29522	P. aeruginosa ATCC27853
1	34	32	50	Not Tested
2	33	35	38	88
3	30	34	38	90
4	28	30	36	92
5	25	30	38	Not Tested
6	26	28	28	82
7	16	17	25	82
8	13	23	24	80
Cephalexin	15	25	30	Not Tested