aurin

noun

au·rin ˈȯr-ən

: a poisonous red dye C₁₉H₁₄O₃ used chiefly as an indicator and dye intermediate

called also rosolic acid

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“Aurin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/aurin. Accessed 4 Nov. 2025.

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