Semi-synthetic antibiotic related to penicillin. Prepn: B. O. H. Sjberg, B. A. Ekstrm, GB 940488; eidem, US 3293242 (1963, 1966 to Beecham); Ekstrm et al., Acta Chem. Scand. 19, 281 (1965). Pharmacology: Hanssen et al., Antimicrob. Agents Chemother. 1967, 568; Tunevall, Frisk, ibid. 573. Chemistry: Sjberg et al., ibid. 560. Metabolic studies: Ramsey et al., Arzneim.-Forsch. 22, 1962 (1972).
Antibacterial.
Antibacterial (Antibiotics); β-Lactams; Penicillins