PRL-8-53 is the first non-psychotropic brain stimulant that does not affect behavior. It selectively acts on the cerebral cortex, dilates cerebral blood vessels, and is used clinically to treat brain injury, cerebral ischemia, and chronic cerebral insufficiency; PRL -8 -53 has also been found to enhance learning and memory. Animal experiments show that its homologues etriracetam and also have the effect of promoting learning, enhancing memory and promoting memory recovery. Product photos: Item Inspection Standard Results Appearance Off white solid powder Conform Identification Conform with NMR Conforms Melting Point…