DIFF Subgroup
C08F 112/16 Full Title
Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring > Monomers containing only one unsaturated aliphatic radical > containing one ring > substituted by hetero atoms or groups containing heteroatoms
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.