Lopamidol EP Impurity A

Chemical Name: 5-Amino-N,N’-bis[2-hydroxy-1-(hydroxymethyl)ethyl]-2,4,6-triiodobenzene-1,3-dicarboxamide (as per EP) ; N,N′-Bis-(1,3-dihydroxy-2-propyl)-5-amino-2,4,6-triiodoisophthalamide (as per USP)

Synonym: Iopamidol BP Impurity A ; Iopamidol USP Related Compound A

Smile: O=C(C1=C(I)C(N)=C(I)C(C(NC(CO)CO)=O)=C1I)NC(CO)CO