Page 1. Journal of Medicinal Chemistry 0 Copyright 1963 by the American Chemical Society VOLUME ti, SCMBER 3 11.~1- 6, 1963 ... CH 3 0 p 5 l NCH 3 CH30 OCH3 cH30T CH30 OCHa XIX xx (6) R. A. Heacock and 0. Hutzinger, Can. J. Chem., 40, 128 (1962). ...