SMILES: C1=CC=C2C(=C1)C(=CN2)C3=C(NC(=C3)C4=CNC5=C4C=C(C=C5)O)C(=O)O
Description: The molecule is a pyrrolecarboxylic acid that is pyrrole-2-carboxylic acid which is substituted at position 3 by a 1H-indol-3-yl group at at position 5 by a 5-hydroxy-1H-indol-3-yl group. It is a monocarboxylic acid, a member of hydroxyindoles and a pyrrolecarboxylic acid. It is a conjugate acid of a protoviolaceinate.