Valve - Motor Sports (gambling) and coumaric anhydride (medicine)

Valve - Motor Sports (gambling)

Device that opens and closes the combustion chamber of an internal-combustion engine to admit the fuel-air mixture or exhaust the gases.

coumaric anhydride (medicine)

coumaric anhydride -->
coumarin
<drug> O hydroxycinnamic acid. Pleasant smelling compound found in many plants and released on wilting (probably a major component of the smell of fresh hay). Has anticoagulant activity by competing with Vitamin K.

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