... Chem. SOC. 1971,93, 2746-2754. b 1980 American Chemical Societv Page 2. ... Acad. R. Med. Belg. 1974, 47, 215-257. Page 5. 1170 Journal of Medicinal Chemistry, 1980, Vol. 23, No. 11 Darmstadt, Germany) was used for identification purposes and as a purity test. ...