title: Inhibition of cephalosporin beta-lactamase by M4854-I and M4854-II.
mesh_terms: D001557:Benzenesulfonates / Q000302:isolation & purification / Q000494:pharmacology*; D002509:Cephaloridine / Q000378:metabolism; D010400:Penicillin G / Q000378:metabolism; D065093:beta-Lactamase Inhibitors
chemical_list: D001557:Benzenesulfonates; D065093:beta-Lactamase Inhibitors; C030200:M4854-II; C025533:M4854-I; D002509:Cephaloridine; D010400:Penicillin G