The molecule is an indole alkaloid cation that is the conjugate acid of (3R)-1,2-didehydro-3-hydroxy-16-methoxy-2,3-dihydrotabersonine, obtained by protonation of the tertiary amino group. Major species at pH 7.3. It is a conjugate acid of a (3R)-1,2-didehydro-3-hydroxy-16-methoxy-2,3-dihydrotabersonine.
methyl (1R,10R,12R,19S)-12-ethyl-10-hydroxy-5-methoxy-8-aza-16-azoniapentacyclo[10.6.1.01,9.02,7.016,19]nonadeca-2(7),3,5,8,13-pentaene-10-carboxylate