Iodixanol EP Impurity B

Chemical Name: 5-Acetamido-N,N′-bis(2,3-dihydroxypropyl)-2,4,6-triiodobenzene-1,3-dicarboxamide (as per EP) ; 5-Amino-N,N′-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide (as per USP)

Smile: IC(C(NC(C)=O)=C(I)C(C(NCC(O)CO)=O)=C1I)=C1C(NCC(O)CO)=O