8-methyl-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine

(2S,3R)-2-[3-cyclopropyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-difluoropropanamido]-3-hydroxybutanoic acid

4-[3-cyclopropyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-difluoropropanamido]but-2-ynoic acid

(1RS,6SR)-2-[(1rs&,3rs&)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutanecarbonyl]-2-azabicyclo[4.1.0]heptane-1-carboxylic acid

2-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoyl]-2-azabicyclo[4.1.0]heptane-1-carboxylic acid

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

3-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-(propan-2-yl)hexanamido]propanoic acid

2-{[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanamido]methyl}cyclopropane-1-carboxylic acid

3-ethyl-1-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanoyl]azetidine-3-carboxylic acid

1-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanoyl]-3-(prop-2-en-1-yl)azetidine-3-carboxylic acid

(3R)-3-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxypropanamido]hexanoic acid