PHENOL, 2,2'-((3,3'-DIMETHYL(1,1'-BIPHENYL)-4,4'-DIYL)BIS(2,1-DIAZENEDIYL))BIS(4-(1,1,3,3-TETRAMETHYLBUTYL)-
phenol, 2,2'-((3,3'-dimethyl(1,1'-biphenyl)-4,4'-diyl)bis(2,1-diazenediyl))bis(4-(1,1,3,3-tetramethylbutyl)-