2,5-Cyclohexadien-1-one, 4-((3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl)methylene)-2,6-bis(1,1-dimethylethyl)- 4-((3,5-Bis(1,1-dimethylethyl)-4-hydroxyphenyl)methylene)-2,6-bis(1,1-dimethylethyl)-2,5-cyclohexadien-1-one 4359-97-1 NSC 81687