The molecule is a member of the class of cortistatins that is cortistatin A in which the hydrogen at the 16beta position has been replaced by a hydroxy group. It is a member of cortistatins, a diol and a secondary alcohol. It derives from a cortistatin A.
(1S,2R,4S,5S,6R,12R,13R,14S,16R)-14-(dimethylamino)-5-isoquinolin-7-yl-6-methyl-19-oxapentacyclo[14.2.1.01,9.02,6.011,16]nonadeca-8,10-diene-4,12,13-triol