The molecule is a delta-lactone, a fatty acid ester, a member of hexahydronaphthalenes and a polyketide. It derives from a mevastatin and a (S)-2-methylbutyric acid.
[(1S,3S,7S,8S,8aR)-3-hydroxy-8-[2-[(2R,4R)-4-hydroxy-6-oxooxan-2-yl]ethyl]-7-methyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl] (2S)-2-methylbutanoate