Rahman, Loay K. A.; Scrowston, Richard M.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1983 , # 12 p. 2973 - 2978
Wise, Lawrence D.; DeWald, Horace A.; Hawkins, Elma S.; Reynolds, Donna M.; Heffner, Thomas G.; et al.
Journal of Medicinal Chemistry, 1988 , vol. 31, # 3 p. 688 - 691