... -butyl-2,2'-bipyridine; 4,4'-Di-tert-butyl-2,2'-bipyridyl; 4,4'-Bis(t-butyl)- ... the conversion of light energy into chemical energy. 4,4'-Di-tert-butyl-2,2'-bipyridyl CAS: 72914-19-3 is ... most polar organic solvent, which is also named as4,4'-Di-tert-butyl-2,2'-bipyridine;4,4'-Bis(t-butyl ...