480-39-7 4H-1-Benzopyran-4-one, 2,3-dihydro-5,7-dihydroxy-2-phenyl-, (-)- 4H-1-Benzopyran-4-one, 2,3-dihydro-5,7-dihydroxy-2-phenyl-, (S)- Dihydrochrysin Galangin flavanone NSC279005 PINOCEMBRIN