81790-80-9 L-Argininamide, L-2-((4-methylphenyl)sulfonyl)glycyl-L-prolyl-N-(4-nitrophenyl)- N(alpha)-4-Tosyl-glycyl-prolyl-arginine-4-nitroanilide N-alpha-p-Tos-gly-pro-arg-p-nitroanilide Nalpha-4-Tosyl-glycyl-prolyl-arginine-4-nitroanilide Nalpha-p-Tosyl-glycyl-prolyl-arginine-p-nitroanilide Tgpana Tosglyproargnan