Streptoverticillium ferm P-10489 which produces antitumor agent BE-13793C

Abstract

A novel antitumor substance BE-13793C or a pharmaceutically acceptable salt thereof, which is represented by the following formula: ##STR1## an anticancer agent comprising the novel substance or a pharmaceutically acceptable salt thereof, a method of producing the novel substance and a microorganism Streptoverticillium FERM P-10489, capable of producing the novel substance are disclosed.

Dependencies are inferred from the claim text.