Z-L-PHENYLALANINE 4-NITROANILIDE;Z-L-PHENYLALANINE P-NITROANILIDE;Z-PHE-PNA;Z-PHENYLALANINE-PNA;N-CARBOBENZOXY-L-PHENYLALANINEP-NITROANILIDE;N-CBZ-L-PHENYLALANINE P-NITROANILIDE;N-ALPHA-CARBOBENZOXY-L-PHENYLALANINE-P-NITROANILIDE;N-CBZ-L-Phenylalanine p-nitroanilide N-Carbobenzyloxy-L-phenylalanine p-nitroanilide