(+)-MK 801马来酸氢盐产品是A potent, selective and non-competitive N-methyl-D-aspartate (NMDA) receptor antagonist (Ki = 30.5 nM) that acts at the NMDA receptor-operated ion channel as an open channel blocker, preventing Ca2+ flux. It has been shown to be protective in various models of ischemia as well as to inhibit behavioral sensitization to certain psychostimulants.