3-butyn-2-ol, 4,4'-(10b,10c-dihydro-10b,10c-dimethyl-2,7-pyrenediyl)bis[2-methyl- 4,4'-(10b,10c-dimethyl-10b,10c-dihydropyrene-2,7-diyl)bis(2-methylbut-3-yn-2-ol) InChI=1/C28H28O2/c1-25(2,29)13-11-19-15-21-7-9-23-17-20(12-14-26(3,4)30)18-24-10-8-22(16-19)27(21,5)28(23,24)6/h7-10,15-18,29-30H,1-6H3/t27-,28