Page 1. Journal of Medicinal Chemistry J 0 Copyright 2964 by Ihe American Chemical Society VOLUME 7, KUMBER 3 ... Yow, Am. J . Med. Sci., 245, 459 (1963). (7) U. (:. Perron, W. F. Minor. ... Chem., 594, 137 (1955). EK Tt'eieburger, J. Am Chem. Soc., 77, 1914 (1955). ...