FOERFARANDE Foer FRAMSTAELLNING AV Antibiotic PS-5 OCH SALTER DAERAV MED A BETA-LAKTAMAS Inhibitory Aktiviti

摘要

A novel antibiotic substance and derivatives thereof, having strong antibiotic activity and beta -lactamase inhibiting effect and a method for producing the same by aerobic cultivation of Streptomyces A 271.