1,4-Dihydro-1-phenyl-3H-2-benzopyran-3-one 1-Phenyl-3-isochromanone 22360-47-0 3H-2-Benzopyran-3-one, 1,4-dihydro-1-phenyl- 5-17-10-00487 (Beilstein Handbook Reference) BRN 1345942