| abstract |
(57) [Summary] The present invention provides a novel polypeptide compound represented by the general formula [I] having antibacterial activity (particularly antifungal activity) and β-1,3 glucan synthase inhibitory activity: Wherein R 1 , R 2 , R 3 and R 4 are as defined in the specification, or a salt thereof, a process for its preparation, a pharmaceutical composition comprising it and a Pneumocystis carini infection in humans or animals ( For example, the present invention relates to a method for preventing and / or treating infectious diseases including pneumocystis carinii pneumonia). |