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cyclobarbital

cy·clo·bar·bi·tal

noun
\ˌsī-klō-ˈbär-bə-ˌtȯl, ˌsik-lō-\

Definition of CYCLOBARBITAL

: a white crystalline compound C₁₂H₁₆N₂O₃ used as a sedative and hypnotic

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