Prepn: P. Da Re et al.,Farmaco Ed. Sci.13, 561 (1958); GB803372 and GB824547 (1958, 1959 both to Recordati); P. Da Re, A. Colleoni, Ann. Chim. (Rome)49, 1632 (1959).
Properties
Crystals from 50% ethanol, mp 123-124°. Soluble in the usual organic solvents;
slightly sol in water. LD50 i.p. in rats: 3200 mg/kg (Da Re).