1564-29-0 2-Oxazolin-5-one, 4-[p-(dimethylamino)benzylidene]-2-phenyl- 5(4H)-Oxazolone, 4-[[4-(dimethylamino)phenyl]methylene]-2-phenyl- NSC83807 Orange Red II p-(Dimethylaminobenzylidene)hippuric acid azalactone