1555-88-0 3-Acetamido-5-acetamidomethyl-2,4,6-triiodobenzoic acid 2-hydroxyethyl ester B 6500 BENZOIC ACID, 3-ACETAMIDO-5-ACETAMIDOMETHYL-2,4,6-TRIIODO-, 2-HYDROXYETHYL ESTER BRN 2784216