H-Arg-Ser-Arg-OH is a short peptide. H-Arg-Ser-Arg-OH is a motif of di-leucine and RSRR, it can be used to design larger peptides and compound.

Troxipide is a novel systemic non-antisecretory gastric cytoprotective agent with anti-ulcer, anti-inflammatory and mucus secreting properties irrespective of pH of stomach or duodenum.

PF-04859989 HCl is a brain-penetrable and irreversible inhibitor of kynurenine amino transferase II (KAT II), which is the enzyme responsible for most of the brain synthesis of kynurenic acid.