DIFF Subgroup
A61K 31/05 Phenols
Introduced: July 1974
Full Title
Medicinal preparations containing organic active ingredients > Hydroxy compounds, e.g. alcohols; Salts thereof, e.g. alcoholates > Phenols
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 1974.
Child Classifications
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- A61K 31/055 the aromatic ring being substituted by halogen since 1974 IPC+CPC Available in IPC and CPC
- A61K 31/06 the aromatic ring being substituted by nitro groups since 1974 IPC+CPC Available in IPC and CPC