摘要:
An IT-62-B substance represented by formula (1), a process for producing the same, a medicinal composition containing the same as the active ingredient, and a method of treating bacterium-induced infectious diseases and tumors by administering the same. The compound has antibacterial activities against gram-positive bacteria and part of gram-negative bacteria and also has an excellent antitumor activity against, for example, human nasopharyngeal cancer, thus being useful as a medicine.