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Formula | C18H19N3O2 |
Molar mass | 309.369 g·mol−1 |
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Irampanel (INN, code name BIIR-561) is a drug which acts as a dual noncompetitive antagonist of the AMPA receptor and neuronal voltage-gated sodium channel blocker.[1][2] It was under development by Boehringer Ingelheim for the treatment of acute stroke/cerebral ischemia but never completed clinical trials for this indication.[3][4] Irampanel was also trialed, originally, for the treatment of epilepsy and pain, but these indications, too, were abandoned,[1] and the drug was ultimately never marketed.