1-(2-(1H-pyrazol-1-yl)-2-(thiophen-3-yl)ethyl)-3-(o-tolyl)urea

(3S)-3-({3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1,2-oxazol-4-yl}formamido)-4-methylpentanoic acid

1-(4-Bromofuran-2-yl)ethane-1,2-diol

2-(N-ethyl-1-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-5-methyl-1,3-thiazol-4-yl}formamido)acetic acid

Tert-butyl 4-(aminomethyl)-4-[2-(dimethylamino)ethyl]piperidine-1-carboxylate

4-{[(3-{[(tert-butoxy)carbonyl]amino}-5-methoxypyridin-4-yl)methyl]({[(9H-fluoren-9-yl)methoxy]carbonyl})amino}butanoic acid

2-(4-Bromo-5-methoxythiophen-2-yl)-2-methylpropan-1-ol

4-[N-ethyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4,4-difluorobutanamido]butanoic acid

4-[N-ethyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]butanoic acid

4-[(2R)-N-ethyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]butanoic acid

4-[N-ethyl-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)but-2-enamido]butanoic acid