The molecule is conjugate base of 3alpha(S)-strictosidine arising from protonation of the secondary amino group; major species at pH 7.3. It is a conjugate base of a 3alpha(S)-strictosidine.
methyl (2S,3R,4S)-3-ethenyl-4-[[(1S)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indol-2-ium-1-yl]methyl]-2-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3,4-dihydro-2H-pyran-5-carboxylate