(4-{[4-(didodecylamino)phenyl]ethynyl}benzylidene)malononitrile InChI=1/C42H59N3/c1-3-5-7-9-11-13-15-17-19-21-33-45(34-22-20-18-16-14-12-10-8-6-4-2)42-31-29-39(30-32-42)24-23-38-25-27-40(28-26-38)35-41(36-43)37-44/h25-32,35H,3-22,33-34H2,1-2H propanedinitrile, [[4-[[4-(didodecylamino)phenyl]ethynyl]phenyl]methylene]-