SMILES: C=C/C=C(\\C(=O)O)/[O-]
Description: The molecule is a 2-hydroxypenta-2,4-dienoate in which the double bond between positions 2 and 3 has E- (cis-) geometry. It is a 2-hydroxypenta-2,4-dienoate and a 2-hydroxy fatty acid anion. It is a conjugate base of a cis-2-hydroxypenta-2,4-dienoic acid.