4-(1,1-Dimethylethyl) 1-(4-nitrophenyl) N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-aspartate

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

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

1-methyl-1-oxo-4H-spiro[1lambda6,2,4-benzothiadiazine-3,1'-cyclobutane]-3'-carboxylic acid

(2R)-2-{[(tert-butoxy)carbonyl]amino}-3-[(S)-methanesulfinyl]propanoic acid