SUC-GGF-PNA

SUC-GLY-GLY-PHE-PNA

N-SUCCINYL-GLY-GLY-PHE P-NITROANILIDE

CHYMOTRYPSIN SUBSTRATE I, COLORIMETRIC

N-(3-carboxypropionyl)glycylglycyl-N-(p-nitrophenyl)-3-phenyl-L-alaninamide