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naphthoquinone

noun naph·tho·qui·none
variants: also naphthaquinone play \ˌnaf-thə-kwin-ˈōn, ˌnap-, -ˈkwin-ˌōn\

medical Definition of naphthoquinone

:any of three isomeric yellow to red crystalline compounds C10H6O2 derived from naphthalene; especially :one that occurs naturally in the form of derivatives (as vitamin K)

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