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hydrastine

noun

hy·​dras·​tine hī-ˈdras-ˌtēn How to pronounce hydrastine (audio) -tən How to pronounce hydrastine (audio)
: a bitter crystalline alkaloid C21H21NO6 derived from isoquinoline that is an active constituent of hydrastis

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“Hydrastine.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/hydrastine. Accessed 1 Dec. 2025.

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