2,2'-bipyridine-6,6'-diyldimethanol InChI=1/C12H12N2O2/c15-7-9-3-1-5-11(13-9)12-6-2-4-10(8-16)14-12/h1-6,15-16H,7-8H [2,2'-bipyridine]-6,6'-dimethanol