37938-81-1 BRN 3008446 Butanoic acid, 4-(methyl(2,4,6-triiodo-3-methoxyphenyl)amino)-4-oxo-, methyl ester Methyl 3'-methoxy-N-methyl-2',4',6'-triiodosuccinanilate N-(2,4,6-Trijod-3-methoxyphenyl)succinamidsaeure methyl ester [German] Succinanilic acid, 3'-methoxy-N-methyl-2',4',6'-triiodo-, methyl ester