(2Z,2'Z)-2,2'-(1,4-phenylene)bis(3-phenylacrylonitrile) 1,4-benzenediacetonitrile, alpha,alpha'-bis(phenylmethylene)-, (alpha~1~Z,alpha~4~Z)- InChI=1/C24H16N2/c25-17-23(15-19-7-3-1-4-8-19)21-11-13-22(14-12-21)24(18-26)16-20-9-5-2-6-10-20/h1-16H/b23-15+,24-16