Synonyms: 1,6-Hexamethylenebis[N-formyl-N-(2,2,6,6-tetramethylpiperidin-4-yl)amine];4050H; N,N'-1,6-Hexanediylbis[N-(2,2,6,6-tetramethyl-4-piperidinyl)formamide];N,N'-Bis(2,2,6,6-tetramethyl-4-piperidyl)-N,N'-diformylhexamethylenediamine;N,N'-Bis(2,2,6,6-tetramethylpiperidin-4-yl)-N,N'-diformyl-1,6-diaminohexane;N,N'-Bis(formyl)-N,N'-bis(2,2,6,6-tetramethyl-4-piperidyl)-1,6-hexamethylenediamine;N,N'-Bis(formyl)-N,N'-bis(2,2,6,6-tetramethyl-4-piperidyl)-1,6-hexanediamine;N,N'-Bisformyl-N,N'-bis(2,2,6,6-tetramethyl-4-piperidyl)hexamethylenediamine;Uvinul 4050H; Uvinul FK 4145