(5E,12E,18E,25E)-9,22-di-tert-butyl-11,7:24,20-di(metheno)dibenzo[a,l][22]annulene 11,7:24,20-dimethenodibenzo[a,l]cyclodocosene, 9,22-bis(1,1-dimethylethyl)-, (5E,12E,18E,25E)- InChI=1/C40H40/c1-39(2,3)37-25-29-15-19-33-11-7-9-13-35(33)21-17-31-24-32(28-38(27-31)40(4,5)6)18-22-36-14-10-8-12-34(36)20-16-30(23-29)26-37/h7-28H,1-6H3/b19-15+,20-16+,21-17+,22-18