DIFF Subgroup
A61K 31/085 having an ether linkage to aromatic ring nuclear carbon
Introduced: July 1974
Full Title
Medicinal preparations containing organic active ingredients > Ethers or acetals > having an ether linkage to aromatic ring nuclear carbon
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1974.
Child Classifications
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