2,2'-BIPYRIDINE 2,2'-Bipyridin 2,2'-Bipyridyl 2,2'-Dipyridine 2,2'-Dipyridyl 2-(2-Pyridyl)pyridine 366-18-7 5-23-08-00016 (Beilstein Handbook Reference) AA-DP AI3-00491 BRN 0113089 Bipyridine CCRIS 3426 CI-588 EINECS 206-674-4 HSDB 5423 NSC 1550 NSC 615009 alpha,alpha'-Bipyridyl alpha,alpha'-Dipyridine alpha,alpha'-Dipyridyl alpha,alpha'-Dwupirydylu [Polish]