or·​phen·​a·​drine ȯr-ˈfen-ə-drən How to pronounce orphenadrine (audio) -ˌdrēn How to pronounce orphenadrine (audio)
: a drug used in the form of its citrate C18H23NO·C6H8O7 or hydrochloride C18H23NO·HCl as a muscle relaxant and antispasmodic

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“Orphenadrine.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/orphenadrine. Accessed 24 May. 2024.

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