Vollinga R C, de Koning J P, Jansen F P, Leurs R, Menge W M, Timmerman H
Leiden/Amsterdam Center for Drug Research, Department of Pharmacochemistry, Vrije Universiteit Amsterdam, The Netherlands.
J Med Chem. 1994 Feb 4;37(3):332-3. doi: 10.1021/jm00029a002.