2-Oxazolin-5-one, 4-(m-fluorobenzylidene)-2-phenyl- 397-62-6 4-((3-Fluorophenyl)methylene)-2-phenyloxazol-5(4H)-one 4-(m-Fluorobenzylidene)-2-phenyl-2-oxazolin-5-one 4-27-00-02959 (Beilstein Handbook Reference) BRN 0020392 EINECS 206-908-5 NSC 74502