1H-Indole-6-carboxylic acid, 2-(4-(bis(carboxymethyl)amino)-3-(2-(2-(bis(carboxymethyl)amino)-5-methylphenoxy)ethoxy)phenyl)- 2-(4-(Bis(carboxymethyl)amino)-3-(2-(2-(bis(carboxymethyl)amino)-5-methylphenoxy)ethoxy)phenyl)-1H-indole-6-carboxylic acid 96314-96-4 Indo 1 Indo-1