4,4'-{[2,5-bis(octyloxy)-1,4-phenylene]bis[(E)ethene-2,1-diyl-4,1-phenylene(E)ethene-2,1-diyl]}dibenzonitrile InChI=1/C56H60N2O2/c1-3-5-7-9-11-13-39-59-55-41-54(38-36-50-25-21-46(22-26-50)16-18-48-29-33-52(44-58)34-30-48)56(60-40-14-12-10-8-6-4-2)42-53(55)37-35-49-23-19-45(20-24-49)15-17-47-27-31-51(43-57)32-28-47/h15-38,41-42H,3-14,39-40H2,1-2H3/b17-15+,18-16+ benzonitrile, 4,4'-[[2,5-bis(octyloxy)-1,4-phenylene]bis[(E)-2,1-ethenediyl-4,1-phenylene(E)-2,1-ethenediyl]]bis-