Prepd from protoveratrine B: Kupchan, Ayres, J. Am. Chem. Soc. 82, 2252 (1960); Kupchan, US 3009917 and US 3066144 (1962 to Wisconsin Alumni Res. Found.). Structure: Kupchan, Ayres, loc. cit.
This monograph has been retired and is no longer subject to revision or update.