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PCE
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DIFF Subgroup
A61K 31/618

having the carboxyl group in position 1 esterified, e.g. salsalate

Introduced: January 2000

Full Title

Medicinal preparations containing organic active ingredients > Salicylic acid; Derivatives thereof > having the carboxyl group in position 1 esterified, e.g. salsalate

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 31/621 having the hydroxy group in position 2 esterified, e.g. benorylate since 2000 IPC+CPC Available in IPC and CPC