.alpha.,.beta.-Diphenylacrylonitrile .alpha.-Cyanostilbene .alpha.-Phenylcinnamonitrile .alpha.-Stilbenecarbonitrile 2,3-Diphenylacrilonitrile 2,3-Diphenylacrylonitrile 2510-95-4 Acrylonitrile, 2,3-diphenyl- Benzeneacetonitrile, .alpha.-(phenylmethylene)- Benzylidenephenylacetonitrile Cinnamonitrile, .alpha.-phenyl- NSC12489 Stilbene, .alpha.-cyano- Usaf a-9789 WLN: NCYR&U1R