29779-56-4 4-Methylcarbamoyl-2,3,5,6-tetrajod-benzoyl-aminoessigsaure [German] BRN 2225831 Glycine, N-(4-((methylamino)carbonyl)-2,3,5,6-tetraiodobenzoyl)- N-(4-((Methylamino)carbonyl)-2,3,5,6-tetraiodobenzoyl)glycine