andrastin D
andrastin d
A 3-oxo steroid that is andrastin C in which the acetoxy group at the 3beta position has undergone formal oxidative cleavage to afford the corresponding 3-oxo derivative. A farnesyltransferase inhibitor produced by <em>Penicillium roqueforti</em>, a filamentous fungus involved in the ripening of several kinds of blue cheeses.