Active enantiomer of AMPA (EC50 = 3.5 μM). Also available as part of the AMPA Receptor Tocriset™. NPEC-caged-(S)-AMPA (Cat. No. 3840), inactive enantiomer (R)-AMPA (Cat. No. 0253) and racemate (RS)-AMPA (Cat. No. 0169) are also available.