4-Phenylphenol, p-tert-butylphenol, formaldehyde polymer 52469-00-8 80112-43-2 Formaldehyde, polymer with (1,1'-biphenyl)-4-ol and 4-(1,1-dimethylethyl)phenol p-Phenylphenol, formaldehyde, p-tert-butylphenol polymer