This invention is something regarding the composition for diagnosis which includes the chemical compound of one group and the chemical compound which catches, these chemical compounds are the containing iodic compound. Concretely, as for the containing iodic compound, it is the chemical compound which includes the hydrophilic central aliphatic basis which can take the arrangement which 3 or four iodine phenyls group connect. As for this invention, picture diagnostics, as the contrast medium in especially x-ray image pickup use of the composition for diagnosis which catches and it regards also the contrast formulation which includes the chemical compound which catches.< Selective figure > It is not本発明は、一群の化合物並びにかかる化合物を含む診断用組成物に関するものであり、これらの化合物は含ヨウ素化合物である。具体的には、含ヨウ素化合物は、3又は4つのヨードフェニル基が結合した配置を取り得る親水性中心脂肪族基を含む化合物である。本発明は、画像診断法、特にX線撮像における造影剤としてのかかる診断用組成物の使用並びにかかる化合物を含む造影製剤にも関する。【選択図】 なし
