The molecule is an ammonium ion that is the conjugate acid of akuammicine, arising from the protonation of the tertiary amino group. It is a conjugate acid of an akuammicine.
methyl (1R,11S,12E,17S)-12-ethylidene-8-aza-14-azoniapentacyclo[9.5.2.01,9.02,7.014,17]octadeca-2,4,6,9-tetraene-10-carboxylate