Synonyms: Butyrophenone,3'-[(5-butyryl-2,4-dihydroxy-3,3-dimethyl-6-oxo-1,4-cyclohexadien-1-yl)methyl]-2',4',6'-trihydroxy-5'-methyl-(7CI,8CI); Phlorobutyrophenone,3'-[(5-butyryl-2,4-dihydroxy-3,3-dimethyl-6-oxo-1,4-cyclohexadien-1-yl)methyl]-5'-methyl-(6CI); Flavaspidic acid; Flavaspidic acid BB; NSC 115497