Bock M G, DiPardo R M, Evans B E, Rittle K E, Freidinger R M, Chang R S, Lotti V J
Department of Medicinal Chemistry, Merck Sharp & Dohme Research Laboratories, West Point, Pennsylvania 19486.
J Med Chem. 1988 Jan;31(1):264-8. doi: 10.1021/jm00396a042.