Process for preparing antibiotic EM 4940
 Cultivation of a strain of the microorganism Nocardia sp. 11,340, which has been deposited in the American Type Culture Collection as A.T.C.C. No. 31531, yields a novel antibiotic substance EM 4940, having activity against a range of gram-positive and gram-negative bacteria, yeasts, fungi, acholeplasma, and the protozoan Trichomonas vaginalis. 
E. R. Squibb & Sons, Inc.
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Wen-Chih Richard B. Jerry S.
Liu Sykes Wells