L-ARGININE 4-METHOXY-BETA-NAPHTHYLAMIDE HYDROCHLORIDE L-ARGININE-4-METHOXY-BETA-NAPHTHYLAMIDE HYDROCHLORIDE SALT ARGININE-4M-BETANA HYDROCHLORIDE SALT H-ARG-4M-BETANA HCL H-ARG-4M-BETANA HYDROCHLORIDE SALT L-arginine 4-methoxy B-naphthylamide*hydrochlorid L-ARGININE 4-METHOXY B-NAPHTHYLAMIDEHYDR OCHLORIDE l-arginine 4-methoxy-β-naphthylamide hydrochloride