3-Bromo-5-(2-nitroethenyl)pyridine

rac-(1R,2R,4S)-7-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbutanoyl]-7-azabicyclo[2.2.1]heptane-2-carboxylic acid

rac-(1R,2R,4S)-7-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentanecarbonyl]-7-azabicyclo[2.2.1]heptane-2-carboxylic acid

(2S)-3-(dimethylamino)-2-{3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]pentanamido}propanoic acid

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

5-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]-3-(trifluoromethyl)pentanoic acid

(3S)-3-(2-{2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1,3-thiazol-4-yl}acetamido)pentanoic acid

(3S)-3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-(1,3-thiazol-5-yl)propanamido]butanoic acid

2-(3-{[(2S,3R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxybutanamido]methyl}cyclobutyl)acetic acid

2-(3-{[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanamido]methyl}cyclobutyl)acetic acid

2-(3-{[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanamido]methyl}cyclobutyl)acetic acid