Synonyms: 2-(1-Methyl-1-phenylethyl)-4-(1,1,3,3-tetramethylbutyl)-6-(benzotriazol-2-yl)phenol;2-(2-Hydroxy-3-a-cumyl-5-tert-octylphenyl)-2H-benzotriazole;2-[2-Hydroxy-3-(a,a-dimethylbenzyl)-5-tert-octylphenyl]-2H-benzotriazole;2-[2'-Hydroxy-3'-(a,a-dimethylbenzyl)-5'-(1,1,3,3-tetramethylbutyl)phenyl]benzotriazole;2-[3-(a,a-Dimethylbenzyl)-2-hydroxy-5-(1,1,3,3-tetramethylbutyl)phenyl]-2H-benzotriazole;Chisorb 5228;Tinuvin 928;