29779-63-3 BRN 2228957 Glycine, N-(4-(((carboxymethyl)amino)carbonyl)-2,3,5,6-tetraiodobenzoyl)-N-ethyl- N-(4-(((Carboxymethyl)amino)carbonyl)-2,3,5,6-tetraiodobenzoyl)-N-ethylglycine N-(4-(Carboxymethyl-carbamoyl)-2,3,5,6-tetrajod-benzoyl)-N-aethyl-aminoessigsaure [German]