InChI=1/C33H40N2/c1-26(13-8-9-14-27(2)16-11-18-29(4)23-31(24-34)25-35)15-10-17-28(3)20-21-32-30(5)19-12-22-33(32,6)7/h8-11,13-18,20-21,23H,12,19,22H2,1-7H3/b9-8+,15-10+,16-11+,21-20+,26-13+,27-14+,28-17+,29-18 [(2E,4E,6E,8E,10E,12E,14E,16E)-2,6,11,15-tetramethyl-17-(2,6,6-trimethylcyclohex-1-en-1-yl)heptadeca-2,4,6,8,10,12,14,16-octaen-1-ylidene]malononitrile propanedinitrile, [(2E,4E,6E,8E,10E,12E,14E,16E)-2,6,11,15-tetramethyl-17-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8,10,12,14,16-heptadecaoctaenylidene]-