Kam, Sheung-Tsam; Matier, William L.; Mai, Khuong X.; Barcelon-Yang, Cynthia; Borgman, Robert J.; et al.
Journal of Medicinal Chemistry, 1984 , vol. 27, # 8 p. 1007 - 1016

E. I. Du Pont de Nemours and Company
Patent: US4798892 A1, 1989 ;

Kam, Sheung-Tsam; Matier, William L.; Mai, Khuong X.; Barcelon-Yang, Cynthia; Borgman, Robert J.; et al.
Journal of Medicinal Chemistry, 1984 , vol. 27, # 8 p. 1007 - 1016