5-(3-(5-Bromo-2,4-dihydroxyphenyl)-3-oxo-1-propenyl)-2-hydroxybenzoic acid 78050-56-3 BENZOIC ACID, 5-(3-(5-BROMO-2,4-DIHYDROXYPHENYL)-3-OXO-1-PROPENYL)-2-HYDROXY- BRN 4531262