Halo- or hydroxy-substituted nocathiacin antibiotics
 Fermentation of Nocardia sp. ATCC-202099 in the presence of a halogen- or hydroxy-substituted tryptophan precursor yields a novel corresponding halogen- or hydroxy-substituted nocathiacin compound which has broad spectrum antibiotic activity against Gram-positive bacteria and has in vivo efficacy in animals. 
Bristol-Myers Squibb Company
C C A
C12P C12P A61P
inventional inventional inventional
Wenying Kin S. John E.
Li Lam Leet