25744-09-6 4,4'-(1,4-Phenylenedimethylidyne)bis(2-phenyloxazol-5(4H)-one) 5(4H)-Oxazolone, 4,4'-(1,4-phenylenedimethylidyne)bis(2-phenyl- 61968-69-2 EINECS 247-228-9