The molecule is a quaternary ammonium ion that is (13S,14R)-1-hydroxy-13-O-acetyl-N-methylcanadine which carries a hydroxy group at position 8. It derives from a (13S,14R)-1-hydroxy-13-O-acetyl-N-methylcanadine.
[(1R,21S)-3,14-dihydroxy-16,17-dimethoxy-13-methyl-5,7-dioxa-13-azoniapentacyclo[11.8.0.02,10.04,8.015,20]henicosa-2,4(8),9,15(20),16,18-hexaen-21-yl] acetate