Synonyms: 4,4'-Bis(t-butyl)-2,2'-bipyridine;4,4'-Bis(tert-butyl)-2,2'-bipyridine;4,4'-Di-t-butyl-2,2'-bipyridyl;4,4'-Di-tert-butyl-2,2'-bipyridine;4,4'-Di-tert-butyl-2,2'-bipyridyl;4,4'-Di-tert-butyl-2,2'-dipyridyl;4,4'-Di-tert-butylbipyridine;BBBPY;