US Patent 5,162,331
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) ; Biotechnology Research & Development Corporation (Peoria, IL)
A tetrahydroquinoline alkaloid compound named "aspernomine" has been isolated from the sclerotia of the fungus Aspergillus nomius. Aspernomine has the structure: ##STR1## and is effective for controlling Lepidopteran insects.
Staub, Gail M.; Dowd, Patrick F.; Gloer, James B.; and Wicklow, Donald T. Aspernomine, an antiinsectan metabolite. US Patent 5,162,331 filed July 19, 1991 and issued November 10, 1992. https://ir.uiowa.edu/patents/98