Synonyms: Ethanedione,di-2-pyridinyl- (9CI);Glyoxal, di-2-pyridyl- (6CI,7CI,8CI);1,2-Bis(2-pyridinyl)-1,2-ethanedione;1,2-Bis(2-pyridyl)-1,2-ethanedione;1,2-Di(pyridin-2-yl)ethane-1,2-dione;2,2'-Dipyridylglyoxal;2,2'-Pyridil;Bipicolinoyl;Bis(2-pyridyl)ethanedione;Di-2-pyridyldiketone;Di-2-pyridylglyoxal;NSC 16545;a-Pyridil;