abstract |
ABSTRACT OF THE DISCLOSURE Title: ANTIBIOTIC LL-E19085 This disclosure describes novel antibac-terial agents designated LL-E19085.beta., LL-E19085?, LL-E19085? and LL-E19085?, their production by aerobic fermentation of a new subspecies of Micro-monospora citrea NRRL 18351 and mutants thereof, and the isolation and purification thereof. |