Sunifiram
Sunifiram, a nootropic. Piperazine ampakine — positive allosteric modulator at AMPA glutamate receptor. Animal cognitive enhancement at sub-mg/kg… Oral half-life 4 h.
Piperazine ampakine — positive allosteric modulator at AMPA glutamate receptor. Animal cognitive enhancement at sub-mg/kg doses (~1000× racetam potency). No human RCT; sold via research-chem channels.