The State of Oregon, acting by and through The Oregon State Board of Higher Education, acting for and on behalf of The Oregon Health Sciences University; The University of Oregon; The Regents of the University of California
Patent: US5514680 A1, 1996 ;
US 5514680 A

Zheng, Hua; Espitia, Stephen A.; Ilyin, Victor; Hawkinson, Jon E.; Woodward, Richard M.; Weber, Eckard; Keana, John F. W.
Bioorganic and Medicinal Chemistry Letters, 1996 , vol. 6, # 4 p. 439 - 440