ARG-PRO-PRO-GLY-PHE-SER-PRO-TYR-ARG (32222-00-7) also can be called for H-ARG-PRO-PRO-GLY-PHE-SER-PRO-TYR-ARG-OH ; L-Arg-L-Pro-L-Pro-Gly-L-Phe-L-Ser-L-Pro-L-Tyr-L-Arg-OH .And it is used as chiral reagents ; BRADYKININ (TYR8) .