... good solubility in most polar organic solvent.. 6,6'-Dimethyl-2,2'-dipyridine is a bidentate N-containing ligand complexed with metal for different applications ... 4,4'-Dimethyl-2,2'-bipyridine CAS:1134-35-6 2,2'-Bipyridine-4,4'-dicarboxylic acid CAS:6813-38-3 4,4’-Dimethoxy-2,2’-bipyridine CAS ...