((2,2'-Sulphonylbis(4-(1,1,3,3-tetramethylbutyl)phenolato))(2-)-O1,O1',O2)nickel 16263-35-7 16432-37-4 25358-06-9 68758-62-3 EINECS 240-485-8 Nickel, ((2,2'-(sulfonyl-kappaO)bis(4-(1,1,3,3-tetramethylbutyl)phenolato-kappaO))(2-))- Reaction product of bis (p-1,1,3,3-tetramethylbutyl-1-phenol)-2,2'-sulfone with nickel salts