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Fritillaria verticillata var. Thunbergii also yields this steroidal alkaloid which was originally given the formulae ClsH3302N or C19H3S02N. The base has [α]¹⁰_D -10.66° (EtOH), yields a crystalline perchlorate, a platinichloride, and contains three non-phenolic hydroxyl groups. The nitrogen atom is tertiary in character. Chi and his colleagues regard the alkaloid as identical with Peimine (q.v.).

Peimine is a steroidal alkaloid compound extracted from the Fritillaria species of medicinal plants.

ChEBI: Verticine is an alkaloid.

Fukuda., Sci. Rep. Tohoku Imp. Univ., 18,323 (1929) Chi, Kao, Chang.,i. Amer. Chern. Soc., 58, 1306 (1936) Chi, Kao, Chang., ibid, 62, 1778 (1944)