DIFF Subgroup
A61K 31/16 Amides, e.g. hydroxamic acids
Introduced: July 1974
Full Title
Medicinal preparations containing organic active ingredients > Amides, e.g. hydroxamic acids
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1974.
Child Classifications
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- A61K 31/164 of a carboxylic acid with an aminoalcohol, e.g. ceramides since 2000 IPC+CPC Available in IPC and CPC
- A61K 31/165 having aromatic rings, e.g. colchicine, atenolol, progabide since 1974 IPC+CPC Available in IPC and CPC
- A61K 31/17 having the group >N—C(O)—N< or >N—C(S)—N<, e.g. urea, thiourea, carmustine (isoureas, isothioureas A61K31/155; sulfonylureas A61K31/64) since 1974 IPC+CPC Available in IPC and CPC
- A61K 31/18 Sulfonamides (compounds containing a para-N-benzene-sulfonyl-N- group A61K31/63) since 1974 IPC+CPC Available in IPC and CPC