DIFF Subgroup
A61K 31/165 having aromatic rings, e.g. colchicine, atenolol, progabide
Introduced: July 1974
Full Title
Medicinal preparations containing organic active ingredients > Amides, e.g. hydroxamic acids > having aromatic rings, e.g. colchicine, atenolol, progabide
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2000.
Child Classifications
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- A61K 31/166 having the carbon of a carboxamide group directly attached to the aromatic ring, e.g. procainamide, procarbazine, metoclopramide, labetalol since 2000 IPC+CPC Available in IPC and CPC
- A61K 31/167 having the nitrogen of a carboxamide group directly attached to the aromatic ring, e.g. lidocaine, paracetamol since 2000 IPC+CPC Available in IPC and CPC