3'-Ethoxy-N-propyl-2',4',6'-triiodosuccinanilic acid 38188-61-3 BRN 3012063 Butanoic acid, 4-((3-ethoxy-2,4,6-triiodophenyl)propylamino)-4-oxo- (9CI) Succinanilic acid, 3'-ethoxy-N-propyl-2',4',6'-triiodo-