Prepn: Di Paco, Tauro, Farmaco Ed. Sci. 11, 540 (1956); CH 291375 (1953 to AG Hommel's Haematogen) and CH 292596 (1953 to Chem. Fabrik “PARA”), C.A. 49, 2505a,c (1955). Pharmacology: Jordan, Arzneim.-Forsch. 8, 716 (1958); Fleisch et al., ibid. 11, 1119 (1961).
Antitussive.
Antitussive