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PCE
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DIFF Subgroup
A61K 31/275

Nitriles; Isonitriles

Introduced: July 1974

Full Title

Medicinal preparations containing organic active ingredients > Nitriles; Isonitriles

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 2000.

Child Classifications

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  • A61K 31/277 having a ring, e.g. verapamil since 2000 IPC+CPC Available in IPC and CPC