The molecule is a monounsaturated fatty acid anion resulting from the deprotonation of the carboxy group of (2E)-3-methylhex-2-enoic acid. It is a short-chain fatty acid anion and a monounsaturated fatty acid anion. It is a conjugate base of a (2E)-3-methylhex-2-enoic acid.
(E)-3-methylhex-2-enoate