This alkaloid has also been discovered in the roots of Sanguinaria canadensis. It crystallizes from Et20 in colourless needles and forms a hydrochloride as needles from H20 or EtOH-CHCI3, m.p. 27S-6°C and the pseudocyanide, m.p. 237-8°C.
Slavik., Collect. Czech. Chem. Commun., 25, 1667 (1960)
