Pro-arg; L-prolyl-L-arginine; prolyl-arginine; L-Arginine, L-prolyl-; CHEMBL190549; H-Pro-Arg-OH; H-Pro-Arg; L-Pro-L-Arg; L-Arginine, N2-L-prolyl-; SCHEMBL8759341; CTK1A3223; DTXSID30178887; ZINC4899789; BDBM50169180; Q27143816; (S)-5-Guanidino-2-((S)-pyrrolidine-2-carboxamido)pentanoic acid; (S)-5-Guanidino-2-[((S)-pyrrolidine-2-carbonyl)-amino]-pentanoic acid