... '-bipyridine; 4,4'-Di-tert-butyl-2,2'-bipyridyl; 4,4'-Bis(t-butyl)-2,2'-bipyridine;2,2'-Bipyridine,4,4'-bis(1,1-dimethylethyl)- CAS: 72914-19-3 MF ... conversion of light energy into chemical energy. 4,4'-Di-tert-butyl-2,2'-bipyridyl CAS: 72914-19-3 is a white powder with good solubility ...