The molecule is an indole alkaloid that is vinorine bearing a hydroxy substituent at position 21. It is an indole alkaloid and a hemiaminal. It derives from a vinorine.
[(1R,10S,12R,13E,14R,16S,18R)-13-ethylidene-14-hydroxy-8,15-diazahexacyclo[14.2.1.01,9.02,7.010,15.012,17]nonadeca-2,4,6,8-tetraen-18-yl] acetate