This invention relates to new polypeptide compound represented by the general
formula (I) wherein R1, R2, R3, R4,
R5 and R6 are as defined in the description or a salt thereof
which has antimicrobial activities (especially, antifungal activities), inhibitory
activity on -1,3-glucan synthase, to process for preparation thereof, to
a pharmaceutical composition comprising the same, and to a method for prophylactic
and/or therapeutic treatment of infectious diseases including Pneumocystic carinii
infection (e.g. Pneumocystis carinii pneumonia) in a human being or
an animal.
