SMILES: CCCCCCCCCCC/C=C\\CCCCC(=O)[O-]
Description: The molecule is an unsaturated fatty acid anion resulting from the deprotonation of the carboxy group of petroselinic acid. The major species at pH 7.3. It is a long-chain fatty acid anion, an unsaturated fatty acid anion and an octadecenoate. It is a conjugate base of a petroselinic acid.