21838-49-3 HYDROCINNAMIC ACID, alpha-ETHYL-3-(2-OXO-1-PYRROLIDINYL)-2,4,6-TRIIODO-, SODIUM Hydrocinnamic acid, alpha-ethyl-3-(2-oxo-1-pyrrolidinyl)-2,4,6-triiodo-, sodium salt alpha-Ethyl-3-(2-oxo-1-pyrrolidinyl)-2,4,6-triiodohydrocinnamic acid sodium salt