demecarium
noun
dem·e·car·i·um
ˌdem-i-ˈkar-ē-əm, -ˈker- 
: a long-acting cholinesterase-inhibiting quaternary ammonium compound that is a derivative of neostigmine and is used as the bromide C32H52Br2N4O4 in an ophthalmic solution especially in the treatment of glaucoma and esotropia
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“Demecarium.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/demecarium. Accessed 31 Oct. 2025.
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