2(5H)-FURANONE, 3-(4-FLUOROPHENYL)-4-HYDROXY-5-(PHENYLMETHYLENE)- 3-(4-Fluorophenyl)-4-hydroxy-5-(phenylmethylene)-2(5H)-furanone 5-Benzyliden-3-(4-fluorophenyl)-4-hydroxyfuran-2(5H)-on [German] 95602-26-9