5-acetamido-2,4,6-triiodo-N-methylisophthalamic acid

3-Acetamido-2,4,6-triiodo-5-(methylcarbamoyl)benzoic acid

3-Acetylamino-5-methylcarbamoyl-2,4,6-triiodobenzoic acid

3-(acetylamino)-2,4,6-triiodo-5-[(methylamino)carbonyl]-benzoicaci