2,2'-BipyridineBipyDipyDipyridylBpyBipyridyl2,2'-Dipyridylα,α'-DIPYRIDYL2,2'-Bipyridine2,2'-Dipyridine2,2′-联吡啶2,2'-Bipyridine2,2′-Bipyridyl2,2′-Bipyridine2,2′-联吡啶2,2′-Bipyridyl2,2'-Bipyridine, ACS2,2′-二吡啶2,2'-联吡啶2,2′-DipyridineA,A′-联吡啶2,2′-Dipyridyl2,2-Bispyridine2,2′-Dipyridyl2,2'-Bipyridyl2,2′-二吡啶基2,2′-二吡啶基2,2'-dipyridine2,2'-dipyridyl2,2'-Bipyridin2,2'-bipyridinealpha,alpha'-dipyridylalpha,alpha'-bipyridylalpha,alpha'-bipyridinebpy2-(2-pyridyl)pyridinealpha,alpha'-dipyridine2,2'-bipyridyl