or pharmaceutically acceptable salts thereof contained in aqueous compositions and methods for their use in diagnostic radiology of the gastrointestinal tract wherein
Z = H, halo, C 1 -C 20 alkyl, cycloalkyl, lower alkoxy, cyano, where the alkyl and cycloalkyl groups can be substituted with halogen or halo-lower-alkyl groups; R 1 and R 2 are independently C l -C 25 alkyl, cycloalkyl, or halo-lower-alkyl, optionally substituted with halo, fluoro-lower-alkyl, aryl, lower-alkoxy, hydroxy, carboxy, lower-alkoxy carbonyl or lower-alkoxy-carbonyloxy, n is 1-5; y is 1-4; and x is 1 or 2.
or pharmaceutically acceptable salts thereof contained in aqueous compositions and methods for their use in diagnostic radiology of the gastrointestinal tract wherein Z = H, halo, C 1 -C 20 alkyl, cycloalkyl, lower alkoxy, cyano, where the alkyl and cycloalkyl groups can be substituted with halogen or halo-lower-alkyl groups; R 1 and R 2 are independently C l -C 25 alkyl, cycloalkyl, or halo-lower-alkyl, optionally substituted with halo, fluoro-lower-alkyl, aryl, lower-alkoxy, hydroxy, carboxy, lower-alkoxy carbonyl or lower-alkoxy-carbonyloxy, n is 1-5; y is 1-4; and x is 1 or 2.
摘要翻译:一种新型口服或直肠给药的X线对照组合物。 用于胃肠(GI)道可视化的分散体形式包括式(I)的造影剂或其盐和包含选自阳离子,阴离子非离子和两性离子表面活性剂的表面活性剂的载体。 Z = H,卤素,1-20C烷基,环烷基,低级烷氧基或CN,其中烷基和环烷基gps。 可以被划分。 卤代或卤代低级烷基; R1,R2 = H,乙酰基选择。 substd。 与A,或1-25C烷基,环烷基或卤代低级烷基各自选择。 substd。 与A或羧基; A =氟代低级烷基,芳基,低级烷氧基,OH,低级烷氧基羰基或低级烷氧基羰基氧基; n,y = 1-4; x = 1-2。 县。 (I)是N-乙酰基-N-2'-辛基-4-碘苯胺(Ia)或N-(4'-碘苯基)-2-氨基辛烷。