DIFF Subgroup
C08G 73/026 Full Title
Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00 > Polyamines
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.