e·pler·e·none 
(əp-lĕrə-nōn′)
(əp-lĕrə-nōn′)n.
A drug, C24H30O6, that blocks aldosterone receptors and is used to treat hypertension and congestive heart failure.
[EP(OXY) + perhaps (E)LE(VEN) (one of the positions to which the oxygen atom is attached to form the epoxide) + (t)r(i)enone, compound containing three double bonds and an attached oxygen.]