Synonyms: 4H-1-Benzopyran-4-one,3-[5-[(1E)-3-(2,4-dihydroxyphenyl)-3-oxo-1-propenyl]-2-hydroxyphenyl]-2,3-dihydro-7-hydroxy-2-(4-hydroxyphenyl)-,(2R,3S)- (9CI); 4H-1-Benzopyran-4-one,3-[5-[3-(2,4-dihydroxyphenyl)-3-oxo-1-propenyl]-2-hydroxyphenyl]-2,3-dihydro-7-hydroxy-2-(4-hydroxyphenyl)-,[2R-[2a,3b(E)]]-; (+)-Lophirone B; Lophirone B