2-amino-2-(1-tert-butyl-1H-pyrazol-4-yl)acetic acid

1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-3-methyl-2,3-dihydro-1H-indole-5-carboxylic acid

4-(difluoromethyl)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-4-methylpyrrolidine-3-carboxylic acid

rac-(2R,4S)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-2,4-dimethyl-1H,2H,3H,4H-imidazo[1,5-a]pyrimidine-8-carboxylic acid

4-(Chloromethyl)-2-(methylamino)pyrimidine-5-carboxylic acid

1-[(Tert-butoxy)carbonyl]-3-(4-fluorophenyl)pyrrolidine-3-carboxylic acid

5-bromo-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-2,3-dihydro-1H-indole-3-carboxylic acid

Tert-butyl 4-(methylamino)pent-2-enoate

2-{[(Benzyloxy)carbonyl](ethyl)amino}-5-methylbenzoic acid

6-{[(Benzyloxy)carbonyl](tert-butyl)amino}hexanoic acid

(3S)-3-[(2S)-3-(4-hydroxyphenyl)-2-[({4-[(propan-2-yloxy)carbonyl]phenyl}carbamoyl)amino]propanamido]-1-[(3-hydroxyphenyl)methyl]-1-(prop-2-en-1-yl)piperidin-1-ium trifluoroacetate