... [2,2'-Bipyridine]-6,6'-dicarboxylic acid, such as 2,2’-Bipyridyl-6,6'-dicarboxylic acid; 2,2'-Bipyridine-6,6'-dicarboxylic acid; 6,6'-Bipicolinic acid; 6-(6-carboxypyridin-2-yl)pyridine-2- ... 2 2,2'-Dipyrimidyl CAS:34671-83-5 2,2’-Bipyridine CAS: 366-18-7 2,2’-biquinoline CAS: 119-91-5 4,4'-Di-tert-butyl-2,2 ... '-bipyridine CAS:72914-19-3 4,4'-Dinonyl-2,2'-bipyridine CAS: 142646-58 ...