MSH: A neurotoxic isoxazole isolated from species of AMANITA. It is obtained by decarboxylation of IBOTENIC ACID. Muscimol is a potent agonist of GABA-A RECEPTORS and is used mainly as an experimental tool in animal and tissue studies.,CSP: 3-hydroxy-5-aminomethylisoxazole; high affinity GABA-A (chloride channel) agonist used as a GABAmimetic drug and autoradiographic label.
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