SUBSTANCE MK7634, PROCESS FOR PRODUCTION THEREOF, AND ANTHELMINTHIC CONTAINING SAID SUBSTANCE

摘要

An imperfect fungus such as a microorganism belonging to the genus Curvularia in a culture medium containing nutrients utilizable for normal microorganisms and isolating MK7634 substance of a molecular formula: C8H15N3O4 from the culture by, for example, solvent extraction, ion exchange resin technique or gel filtration chromatography. The MK7634 substance can be used as an active ingredient of drugs. In particular, the MK7634 substance is a novel anthelmintic substance and expected to be used as an active ingredient of anthelmintics.