Table 3.

Susceptibility of β-lactamase-producing staphylococci to TD-1792

Strain	β-lactamase		MIC (μg/ml)
	Type	Levela	TD-1792	THRX-169797b	Penicillin G
ATCC 25923	Negative	0	0.015	1	0.03
ATCC 29213	A	0.006	0.015	1	1
PC1	A	0.201	0.015	1	256
NCTC9789	A	0.088	0.015	1	64
22260	B	0.024	0.015	2	16
V137	C	0.034	0.03	2	64
FAR19	D	0.030	0.015	1	2

^aActivity reported as micromoles of nitrocefin degraded/min/cell mass after incubation (8).

^bTHRX-169797 is the cephalosporin moiety of TD-1792.