Synonyms: 2,5-Cyclohexadien-1-one,4,4'-ethanediylidenebis[2,6-di-tert-butyl- (6CI,7CI,8CI);2,6,2',6'-Tetra-tert-butyl-4,4'-ethanediylidenedi(2,5-cyclohexadien-1-one);3,3',5,5'-Tetra-tert-butyl-4,4'-stilbenequinone;3,3',5,5'-Tetrakis(tert-butyl)stilbene quinone;3,5,3',5'-Tetra-tert-butylstilbene-4,4'-quinone; 3,5,3',5'-Tetra-tert-butylstilbenequinone;4,4'-Ethanediylidenebis[2,6-di-tert-butyl-2,5-cyclohexadien-1-one]