SMILES: CCN(CC)C1=CC=C(C=C1)C(=C2C=CC(=[N+](CC)CC)C=C2)C3=CC(=C(C=C3S(=O)(=O)O)S(=O)(=O)O)O
Description: The molecule is an iminium ion that is a dark bluish synthetic dye used as a food colouring agent It has a role as a dye and an allergen.