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From Biology-Online Dictionary | Biology-Online Dictionary
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(Science: chemical) serotonin antagonist used against migraine and vascular headaches.

Pharmacological action: analgesics, non-narcotic, antidepressive agents, serotonin antagonists.

Chemical name: Piperidine, 4-(9,10-dihydro-4H-benzo(4,5)cyclohepta(1,2-b)thien-4-ylidene)-1-methyl-