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This is an abbreviation for International Nonproprietary Names.

International Nonproprietary Names

An internationally recognized nomenclature of unique names for pharmaceutical substances and active pharmaceutical ingredients maintained by the World Health Organization.

Notes

  • The World Health Organization collaborates closely with INN experts and national nomenclature committees to select a single name of worldwide acceptability for each active substance that is to be marketed as a pharmaceutical.
  • International Nonproprietary Names (INN) are also known as generic names.

Alternative

  • INN

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