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A61K 31/662

Phosphorus acids or esters thereof having P—C bonds, e.g. foscarnet, trichlorfon

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data.epo.org/linked-data/def/cpc/A61K31-662
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Patent classification

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Child Classification
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A61K 31/663
Classification Type
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Cooperative Patent Classification
Parent Classification
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A61K 31/66
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