摘要:
1. Compounds of general Formula I ##STR1## wherein n and m in each case mean the numbers 0, 1, 2, 3 and 4, X stands for a hydrogen atom and/or a metal ion equivalent of an element of atomic numbers 21-29, 31, 32, 37-39, 42-44, 49 or 57-83, R.sup.1 and R.sup.2, being different, mean in each case a hydrogen atom or a straight-chain, branched, saturated or unsaturated C.sub.0 -C.sub.20 -alkylene group, this alkylene group exhibiting at the end either a second molecule of general Formula I.sub.A or I.sub.B ##STR2## a functional group, or, linked by way of this functional group, a bio- or macromolecule, are valuable diagnostic and therapeutic media,
摘要:
New amino acid derivative of acylamino-5-alkylcarbamoyl-2,4,6-triiodobenzoic acids are described together with processes for their preparation and use and novel intermediates useful in preparing these compounds. The compounds are valuable radiopaque agents useful as X-ray contrast media.
摘要:
New amino acid derivative of acylamino-5-alkylcarbamoyl-2,4,6-triiodobenzoic acids are described together with processes for their preparation and use and novel intermediates useful in preparing these compounds. The compounds are valuable radiopaque agents useful as X-ray contrast media.