Table 3.

IC50s of β-lactamase inhibitors

β-LactamaseIC50(μM)a
Clavulanic acidSulbactamTazobactam
TEM-20.1680.1
TEM-30.010.40.01
TEM-8990408
TEM-59100357
  • a The standard deviations for these determinations were ±20%.