5-(Azetidin-3-yl)-1,2,4-oxadiazole-3-carboxylic acid

1-[(3R)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanoyl]-5-methylpiperidine-2-carboxylic acid

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

rac-1-[(1R,3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentanecarbonyl]-5-methylpiperidine-2-carboxylic acid

3-({3,3-dimethylbicyclo[2.2.1]heptan-2-yl}carbamoyl)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-{[1-(3-hydroxypropyl)cyclopropyl]carbamoyl}butanoic acid

1-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)heptanoyl]-1,2,3,6-tetrahydropyridine-4-carboxylic acid

Ethyl 2-(5-formylthiophen-2-yl)piperidine-3-carboxylate

5-(4,6-Dimethylpiperidin-2-yl)thiophene-2-carbaldehyde

5-(3-Methylpiperidin-2-yl)pyrimidine

5-(Pyrimidin-5-yl)piperidine-2-carboxylic acid