SMILES: C1=CC=C(C(=C1)/C=C/C(=O)C(=O)O)O
Description: The molecule is a pyruvic acid derivative having a 2-hydroxybenzylidene group attached at the 3-position and E-stereochemistry. It derives from a pyruvic acid. It is a conjugate acid of a (3E)-4-(2-hydroxyphenyl)-2-oxobut-3-enoate.