Synonyms: Phenol,4,4'-ethylenebis[2,6-di-tert-butyl- (6CI,7CI,8CI);1,2-Bis(3,5-di-tert-butyl-4-hydroxyphenyl)ethane;2,2',6,6'-Tetra-tert-butyl-4,4'-ethylenediphenol;2,6,2',6'-Tetra-tert-butyl-4,4'-ethylenediphenol;3,5,3',5'-Tetra-tert-butyl-4,4'-dihydroxy-1,2-diphenylethylene;4,4'-Ethylenebis[2,6-di-tert-butylphenol]