3-p-biphenylyl-2,2-dimethylpropanoic acid

methyl 4-p-biphenylyl-3-methyl-3-butenoate

methyl 4'-tert-butyl-biphenyl-3-carboxylate

methyl 3-p-biphenylyl-3-methylbutanoate

methyl 4-(tert-butyl)-[1,1'-biphenyl]-3-carboxylate