SMILES: CC(C(=C)C(=O)O)C(=O)O
Description: The molecule is a dicarboxylic acid that is succinic acid substituted by a methylene group at position 2 and a methyl group at position 3. It is a dicarboxylic acid and an olefinic compound. It derives from a succinic acid. It is a conjugate acid of a 2-methylene-3-methylsuccinate(2-).