Formaldehyde, polymer with 1,3-benzenediol, 1,1-biphenyl-ar,ar-diol and 1,1-biphenyltriol

Formaldehyde, polymer with 1,3-benzenediol, [1,1'-biphenyl]-ar,ar'-diol and [1,1'-biphenyl]triol 。 1,3-Benzenediol polymer with formaldehyde, ar,ar'-biphenyldiol and biphenyltriol 。 formaldehyde, polymer with 1,3-benzenediol, [1,1'-biphenyl]-ar,ar'-diol and [1,1'-biphenyl]triol 。 formaldehyde, polymer with 1,3-benzenediol, 。