GT 949 is a selective excitatory positive allosteric modulator of amino acid transporter-2 (EAAT2) (EC50: 0.26 nM).

LY 345899 is a Folate analog and is a methylenetetrahydrofolate dehydrogenase and MTHFD2 inhibitor (IC50: 96 nM and 663 nM, respectively and a Ki: 18 nM for MTHFD1).

Pancreatic polypeptide is a peptide secreted by the endocrine PP cells of the pancreas that regulates pancreatic secretory activity and also affects hepatic glycogen stores and gastrointestinal secretion.