5-(2-(5-Acetyl-2,4-dihydroxybenzoyl)ethenyl)-2-hydroxybenzoic acid Benzoic acid, 5-(2-(5-acetyl-2,4-dihydroxybenzoyl)ethenyl)-2-hydroxy- DG0910000 Salicylic acid, 5-(2-(5-acetyl-2,4-dihydroxybenzoyl)vinyl)-