InChI=1/C20H28N2O3/c1-20(2,3)25-13-5-4-12-24-15-17-9-7-11-19(22-17)18-10-6-8-16(14-23)21-18/h6-11,23H,4-5,12-15H2,1-3H [2,2'-bipyridine]-6-methanol, 6'-[[4-(1,1-dimethylethoxy)butoxy]methyl]- {6'-[(4-tert-butoxybutoxy)methyl]-2,2'-bipyridin-6-yl}methanol