Fenamic acid is an organic compound, which, especially in its ester form, is called fenamate.[Gupta, PK. Drug NomenclatureUnited States Adopted Names. Ch 27 in Remington: The Science and Practice of Pharmacy, Vol 1. Eds. David B. Troy, Paul Beringer. Lippincott Williams & Wilkins, 2006 ] serves as a parent structure for several nonsteroidal anti-inflammatory drugs (NSAIDs), including mefenamic acid, tolfenamic acid, flufenamic acid, and meclofenamic acid. These drugs are commonly referred to as "anthranilic acid derivatives" or "fenamates" because fenamic acid is a derivative of anthranilic acid.[Sriram D, Yogeeswari P. Medicinal Chemistry, 2nd Edition. Pearson Education India, 2010. ][Auburn University course material. Jack DeRuiter, Principles of Drug Action 2, Fall 2002 1: Non-Steroidal Antiinflammatory Drugs (NSAIDS)][
]
Fenamic acid can be synthesized from 2-chlorobenzoic acid and can be converted into acridone.