2H-1-Benzopyran-2-one, 4-hydroxy-3-(3-oxo-3-phenylpropyl)- 3-(2-Benzoylethyl)-4-hydroxycoumarin 5-18-04-00155 (Beilstein Handbook Reference) 6431-16-9 BRN 1257926 COUMARIN, 3-(2-BENZOYLETHYL)-4-HYDROXY-