Hindered Amine Light Stabilizer, Poly(4-hydroxy-2,2,6,6-tetramethyl-1-piperidine ethanol-alt-1,4-butanedioic acid), LOWILITE 62, Butanedioic acid, 1,4-dimethyl ester, polymer with 4-hydroxy-2,2,6,6-tetramethyl-1-piperidine-ethanol, Omnistab LS 622, TINUVIN® 622, Oligomeric hindered amine light stabiliser (HALS), EVERSORB 94FD