The molecule is a 2-hydroxy-3-methylpentanoate in which the stereocentres at positions 2 and 3 both have R-configuration. It is a (2R)-2-hydroxy fatty acid anion and a 2-hydroxy-3-methylpentanoate. It is a conjugate base of a (2R,3R)-2-hydroxy-3-methylpentanoic acid.
(2R,3R)-2-hydroxy-3-methylpentanoate