SMILES: C/C(=C\\C=C\\C1=[N+](C2=C(C1(C)C)C=C(C=C2)S(=O)(=O)O)CCS(=O)(=O)O)/C=C/C=C/3\\C(C4=C(N3CCS(=O)(=O)[O-])C=CC(=C4)S(=O)(=O)O)(C)C
Description: The molecule is a arenesulfonic acid in which two sulfonated indole moieties are linked via a 4-methylhepta-1,3,5-triene-1,7-diyl chain. It is a member of indoles, an arenesulfonic acid and an iminium betaine. It is a conjugate acid of a tetrasulfocyanine(3-).