The molecule is a monoterpenoid indole alkaloid that consists of ajmalan substituted at positions 17 and 21 by hydroxy groups. It is a monoterpenoid indole alkaloid and a hemiaminal. It is a conjugate base of an ajmalinium. It derives from a hydride of an ajmalan.
(1R,9R,10S,12R,13S,14R,16S,18R)-13-ethyl-8-methyl-8,15-diazahexacyclo[14.2.1.01,9.02,7.010,15.012,17]nonadeca-2,4,6-triene-14,18-diol