3d image of pyroglutamic acid skeletal formula

pyroglutamic acid l-pyroglutamic brain healthy production neurotransmitters memory anxiety 5-oxopyrrolidine-2-carboxylic pidolic 5-oxo-proline 2-pyrrolidone-5-carboxylic 5-oxoproline amino derivative glutamic glutamine lactam pyroglutamate bacteriorhodopsin nootropic dietary supplement mineral 3d biological activity bioactive prescription drug food additive nutraceutica dietary neurotransmitter receptor agonist neuromodulatory nervous system endocannabinoid stress appetite signaling neuroscience molecule molecular formula skeletal structural structure