29972-13-2 4-(4-(alpha-Carboxybutyl-carbamoyl)-2,3,5,6-tetrajod-benzoyl)-morpholin [German] BRN 1232466 Dl-Norvaline, N-(4-(4-morpholinylcarbonyl)-2,3,5,6-tetraiodobenzoyl)- N-(4-(4-Morpholinylcarbonyl)-2,3,5,6-tetraiodobenzoyl)-DL-norvaline