3-[(3,5-Difluorophenyl)methylidene]cyclobutane-1-carboxylic 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

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}(methyl)amino)-3-nitrobenzoic acid

5-{[1,1'-biphenyl]-4-yl}-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)thiophene-2-carboxylic acid

1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-6-methyl-1,2,3,4-tetrahydroquinoline-5-carboxylic acid

2-{[(9H-fluoren-9-yl)methoxy]carbonyl}-5-oxa-2-azaspiro[3.4]oct-7-ene-7-carboxylic acid

5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1-(4-methoxyphenyl)-1H-1,2,3-triazole-4-carboxylic acid

1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-4',7'-dihydrospiro[piperidine-4,6'-pyrazolo[3,2-c][1,4]oxazine]-2'-carboxylic acid