1,3-Dimethyl-1,4-dihydropyrazolo[4,3-c]pyrazole

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

3-cyclobutyl-3-[6-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanamido]propanoic acid

3-cyclobutyl-3-[(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanamido]propanoic acid

(3S)-3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpropanamido]-4-methylpentanoic acid

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

rac-(1R,5R,6S)-6-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbutanamido]bicyclo[3.2.0]heptane-3-carboxylic acid

rac-(1R,5R,6S)-6-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-difluoropropanamido]bicyclo[3.2.0]heptane-3-carboxylic acid

6-{1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopropaneamido}bicyclo[3.2.0]heptane-3-carboxylic acid

1-{2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1,3-thiazol-4-yl]acetyl}-3-methylazetidine-3-carboxylic acid

6-Methoxy-2-[4-(1,3-thiazol-2-yloxy)piperidin-1-yl]-1,3-benzothiazole