29779-61-1 BRN 2228801 Glycine, N-(4-(((carboxymethyl)amino)carbonyl)-2,3,5,6-tetraiodobenzoyl)-N-methyl- N-(4-(((Carboxymethyl)amino)carbonyl)-2,3,5,6-tetraiodobenzoyl)-N-methylglycine N-(4-(Carboxymethyl-carbamoyl)-2,3,5,6-tetrajod-benzoyl)-N-methyl-aminoessigsaure [German]