2-Propen-1-one, 4-(3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl)-1-phenyl- 4-(3,5-Bis(1,1-dimethylethyl)-4-hydroxyphenyl)-1-phenyl-2-propen-1-one 83677-22-9 beta-Benzoyl-3,5-di-tert-butyl-4-hydroxystyrene