英文别名Boc-Ala-Ala-Pro-Ala-p-Nitroaniline; BOC-ALA-ALA-PRO-ALA-P-NITROANILIDE; ELASTASE SUBSTRATE II,COLORIMETRIC; N-BOC-L-ALA-ALA-PRO-ALA-P-NITROANILIDE; L-Alaninamide, N-[(1,1-dimethylethoxy)carbonyl]-L-alanyl-L-alanyl-L-prolyl-N-(4-nitrophenyl)-; tert-butyl N-[(2S)-1-[[(2S)-1-[(2S)-2-[[(2S)-1-(4-nitroanilino)-1-oxopropan-2-yl]carbamoyl]pyrrolidin-1-yl]-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]carbamate; Boc-AAPA-pNA 
