The molecule is a pyrroledicarboxylic acid that is pyrrole-2,5-dicarboxylic acid in which the hydrogens at positions 3 and 4 have been replaced by indol-3-yl groups. It has a role as a bacterial metabolite. It is a member of indoles and a pyrroledicarboxylic acid. It is a conjugate acid of a chromopyrrolate(2-).
3,4-bis(1H-indol-3-yl)-1H-pyrrole-2,5-dicarboxylic acid