N-琥珀酰-L-丙氨酰-L-丙氨酰-L-脯氨酰-L-苯丙氨酸对硝基苯胺-d4

N-Succinyl-L-alanyl-L-alanyl-L-prolyl-L-phenylalanine p-nitroanilide-d4