Merck + Co., Inc.

Thomas C Hallada

Otto D Hensens

Jerrold M Liesch

Robert E Schwartz

Prakash S Masurekar

David F Sesin

A new antibiotic cyclic lipopeptide having the formula ##STR1## wherein R is H or OH and a method of producing is described. The agent has very high activity against human pathogens and is of very low mammalian toxicity.

Antibiotic agent

A new antibiotic cyclic lipopeptide having the formula ##STR1## wherein R is H SEQ ID NO:1 or OH SEQ ID NO:2 and a method of producing is described. The agent has very high activity against human pathogens and is of very low mammalian toxicity.

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Westfield, NJ, United States of America

Thomas C Hallada