The molecule is an organic cation that is the conjugate acid of 17-hydroxylupanine, arising from protonation of the hemiaminal nitrogen; major species at pH 7.3. It is an ammonium ion derivative and an organic cation. It is a conjugate acid of a 17-hydroxylupanine.
(1R,2R,9S,10S)-16-hydroxy-7-aza-15-azoniatetracyclo[7.7.1.02,7.010,15]heptadecan-6-one