81484-15-3 Benzoyl-leu-ala-arg-alpha-naphthylester Benzoyl-leucyl-alanyl-arginine-alpha-naphthylester Benzoylleucyl-alanyl-arginine-alpha-naphthylester Bz-Leu-ala-arg-NE L-Arginine, N2-(N-(N-benzoyl-L-leucyl)-L-alanyl)-, 1-naphthalenyl ester