(1,1'-Biphenyl)-4-ol, 3,4'-bis(1,1-dimethylethyl)- 3,4'-Bis(1,1-dimethylethyl)(1,1'-biphenyl)-4-ol 4-Biphenylol, 3,4'-di-tert-butyl- 42479-88-9 EINECS 255-841-8