US Patent 5,281,609
United States Patent and Trademark Office
The United States of America, as represented by the Secretary of (Washington, DC) ; University of Iowa Research Foundation (Iowa City, IA, US)
A novel N-methoxy-2-pyridone designated leporin A has been isolated from the sclerotia of the fungus, Aspergillus leporis. Leporin A is characterized by the structural formula ##STR1## and is effective for controlling Lepidopteran insect pests.
Dowd, Patrick F.; Wicklow, Donald T.; Gloer, James B.; and Tepaske, Mark R. Leporin A, an antiinsectan fungal metabolite. US Patent 5,281,609 filed September 24, 1992 and issued January 25, 1994. https://ir.uiowa.edu/patents/113