methapyrilene

noun
meth·​a·​pyr·​i·​lene | \ -ˈpir-ə-ˌlēn How to pronounce methapyrilene (audio) \

Medical Definition of methapyrilene

: an antihistamine drug C14H19N3S formerly used as a mild sedative in proprietary sleep-inducing drugs

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authorized for issue (as a bond)

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