Synonyms: Benzoicacid, 3-(acetylamino)diiodoiodo-125I-5-[(methylamino)carbonyl]-, monosodiumsalt (9CI); Isophthalamic acid, 5-acetamido-2,4,6-triiodo-N-methyl-, labeledwith iodine-125, monosodium salt (8CI); Iothalamate sodium I 125; Sodium5-acetamido-ar,ar-diiodo-ar,iodo-125I-N-methylisophthalamate; Sodium iotalamate(125I); Sodium radioiotalamate (125I)