butabarbital
noun
bu·ta·bar·bi·tal
ˌbyüt-ə-ˈbär-bə-ˌtȯl 
: a synthetic barbiturate used especially in the form of its sodium salt C10H15N2NaO3 as a sedative and sleep aid
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“Butabarbital.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/butabarbital. Accessed 18 Apr. 2024.
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