... 0002-7863/82/1504-3752$01.25/0 0 1982 American Chemical Society Page 2. ... Department of Medicinal Chemistry and Pharmacognosy Purdue University, West Lafayette. ... Chem., 352, 1034 (1971). 0002-7863/82/1504-3754$01,25/0 0 1982 American Chemical Society