The molecule is a diterpenoid that is aconitane bearing an N-ethyl as well as several hydroxy and methoxy substituents. It derives from a hydride of an aconitane.
(1S,2R,3R,4S,5S,6S,8R,9S,13S,16S,17R,18S)-11-ethyl-6,16,18-trimethoxy-13-(methoxymethyl)-11-azahexacyclo[7.7.2.12,5.01,10.03,8.013,17]nonadecane-4,8,9-triol