: a white crystalline drug C4H4FN3O that can be synthesized from fluorouracil and is used to treat fungal infections especially by members of the genera Candida and Cryptococcus (especially Cryptococcus neoformans)

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“Flucytosine.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/flucytosine. Accessed 7 Jul. 2026.

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