US Patent 5,300,495
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)
Sulpinine C, secopenitrem B and 10-oxo-11,33-dihydropenitrem B indole compounds have been isolated from the sclerotia of the fungi Aspergillus sulphureus. Aflatrem B has been isolated from the sclerotia of the fungi Aspergillus flavus, and 14-hydroxypaspalinine and 14-(N,N-dimethylvalyloxy)paspalinine have been isolated from the sclerotia of the fungi Aspergillus nomius. The indole compounds are effective for controlling Coleopteran and Lepidopteran insects.
Laakso, Jodi A.; Dowd, Patrick F.; Gloer, James B.; and Wicklow, Donald T. Indole antiinsectan metabolites. US Patent 5,300,495 filed January 22, 1993 and issued April 05, 1994. https://ir.uiowa.edu/patents/117