Peptifluorin and neopeptifluorin
 Two related, novel antibiotic substances, peptifluorin and neopeptifluorin, are prepared by cultivation of strains of Pseudomonas fluorescens, A. T. C. C. No. 53,958 and A. T. C. C. No. 55,129, respectively. 
E. R. Squibb & Sons, Inc.
C A A A
C07K A61P A61K A61P
inventional inventional additional inventional
Wen-Chih Edward Gordon W.
Liu Meyers Robinson