BOC-ARG-VAL-ARG-ARG-AMC

BOC-ARG-VAL-ARG-ARG-7-AMIDO-4-METHYLCOUMARIN

N-T-boc-arg-val-arg-arg 7-amido-4-*methylcoumarin

N-BOC-Arg-Val-Arg-Arg-7-amido-4-methylcoumarin acetate