SMILES: C1=CC=C2C(=C1)C(=C(S2)/C=C/C(=O)C(=O)O)[O-]
Description: The molecule is a 2-oxo monocarboxylic acid anion resulting from the deprotonation of the carboxy group of a 4-(3-hydroxy-1-benzothiophen-2-yl)-2-oxobut-3-enoic acid. It is a member of 1-benzothiophenes and a 2-oxo monocarboxylic acid anion. It derives from a but-3-enoate. It is a conjugate base of a 4-(3-hydroxy-1-benzothiophen-2-yl)-2-oxobut-3-enoic acid.