2,3-Dihydro-2-phenyl-4H-1-benzopyran-4-one 2,3-Dihydroflavone 2-Phenyl-4-chromanone 24271-98-5 4-Flavanone 487-26-3 4H-1-Benzopyran-4-one, 2,3-dihydro-2-phenyl- 5-17-10-00480 (Beilstein Handbook Reference) BRN 0183227 EINECS 207-654-8 FLAVANONE NSC 50393