: a local anesthetic that is an ester of para-aminobenzoic acid and is applied in the form of its white crystalline sulfate (C18H30N2O2)2·H2SO4 to mucous membranes

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“Butacaine.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/butacaine. Accessed 19 Jun. 2024.

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