3.4.21.70 0.04706 - Benzyloxycarbonylalanine 4-nitrophenyl ester - 3.4.21.70 0.166 - tert-butyloxycarbonyl-L-alanine 4-nitrophenyl ester - 3.4.21.70 0.86 - Acetyl-tri-L-alanine methyl ester - 3.4.21.70 0.95 - Succinyl-tri-L-alanine 4-nitroanilide - 3.4.21.70 4.4 - Acetyl-tri-L-alanine methyl ester - 3.4.21.70 24 - Benzoyl-L-alanine methyl ester -