2,6-Di-tert-butyl-alpha-(3,5-di-tert-butyl-4-oxocyclohexa-2,5-dien-1-ylidene)-p-tolyloxy 2370-18-5 4-((3,5-Bis(1,1-dimethylethyl)-4-oxo-2,5-cyclohexadien-1-ylidene)methyl)-2,6-bis(1,1-dimethyl ethyl)phenoxy Coppinger's radical EINECS 219-133-2 Galvanoxyl Galvinoxyl Galvinoxyl free radical Galvinoxyl radical NSC 81686 Phenoxy, 4-((3,5-bis(1,1-dimethylethyl)-4-oxo-2,5-cyclohexadien-1-ylidene)methyl)-2,6-bis(1,1-dimethylethyl)- (9CI) p-Tolyloxy, 2,6-di-tert-butyl-alpha-(3,5-di-tert-butyl-4-oxo-2,5-cyclohexadien-1-ylidene)-