SMILES: C(=C/[N+](=O)[O-])\\C(=O)[O-]
Description: The molecule is a monocarboxylic acid anion that is the conjugate base 3-nitroacrylic acid, formed by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a 3-nitroacrylic acid.