SMILES: C(=C(\\C=C(\\C(=O)O)/O)/C(=O)O)\\C(=O)O
Description: The molecule is a 4-carboxy-2-hydroxyhexa-2,4-dienedioic acid having (2Z,4E)-configuration about the C=C double bonds. It is a conjugate acid of a (2Z,4E)-4-carboxylato-2-hydroxyhexa-2,4-dienedioate(3-).