68444-27-9 Bisphenol A, p-tert-amylphenol, formaldehyde, p-tert-butylphenol polymer Formaldehyde, polymer with 4-(1,1-dimethylethyl)phenol, 4-(1,1-dimethylpropyl)phenol and 4,4'-(1-methylethylidene)bis(phenol)