Synonyms: 11aH-12,3,6a-Ethanylylidene-7,9-methanonaphth[2,3-b]azocine,aconitane-8,13,14-triol deriv.; (-)-Contortumine; 14-O-Anisoyldelavaconine; 1a,16b-Dimethoxy-20-ethyl-14a-(4-methoxybenzoyloxy)aconitane-8,13-diol;Contortumine; Delavaconine 14-(p-methoxybenzoate)