The molecule is an enolate anion resulting from the deprotonation of the enol of andrastin D.Major species at pH 7.3. Published in http://dx.doi.org/10.1016/j.tet.2013.07.029 It has a role as an EC 2.5.1.58 (protein farnesyltransferase) inhibitor. It is a conjugate base of an andrastin D.
(5S,8S,9S,10R,13R,14R)-14-methoxycarbonyl-4,4,8,10,12,13,16-heptamethyl-3,15-dioxo-1,2,5,6,7,9-hexahydrocyclopenta[a]phenanthren-17-olate