2,2'-BipyridineDipyridylDipyBipyridylBipyBpy2,2'-Bipyridine2,2'-Dipyridyl2,2'-Dipyridineα,α'-DIPYRIDYL2,2′-Bipyridyl2,2′-Bipyridine2,2′-联吡啶2,2'-Bipyridine2,2′-联吡啶2,2'-Bipyridine, ACS2,2′-Bipyridyl2,2′-二吡啶2,2′-DipyridineA,A′-联吡啶2,2'-联吡啶2,2′-Dipyridyl2,2′-Dipyridyl2,2′-二吡啶基2,2-Bispyridine2,2'-Bipyridyl2,2′-二吡啶基2,2'-dipyridyl2,2'-bipyridylalpha,alpha'-dipyridinealpha,alpha'-bipyridylalpha,alpha'-dipyridyl2,2'-Bipyridinalpha,alpha'-bipyridine2,2'-dipyridine2,2'-bipyridine2-(2-pyridyl)pyridinebpy