3-Amino-5-[(2,3-dihydroxy-propoxycarbonylamino)-methyl]-2,4,6-triiodo-benzoic acid
C22H20I6N4O8
3-Amino-5-(ethoxycarbonylamino-methyl)-2,4,6-triiodo-benzoic acid
3-Acetylamino-5-[(1-hydroxymethyl-propoxycarbonylamino)-methyl]-2,4,6-triiodo-benzoic acid
3-Acetylamino-5-[(2-benzyloxy-ethoxycarbonylamino)-methyl]-2,4,6-triiodo-benzoic acid