3,3,3-trifluoro-N-((6-methoxy-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl)propanamide

2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3-dimethylbutanoyl]-2-azabicyclo[4.1.0]heptane-1-carboxylic acid

rac-(2R,4R)-1-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanoyl]-2-methylpiperidine-4-carboxylic acid

(2S)-1-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanoyl]-4,4-difluoropyrrolidine-2-carboxylic acid

2-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanoyl]-2-azabicyclo[2.1.1]hexane-5-carboxylic acid

5-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanoyl]-5-azaspiro[2.4]heptane-7-carboxylic acid

4-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanamido]cyclopent-1-ene-1-carboxylic acid

2-[(2S)-1-[(3S)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)hexanoyl]piperidin-2-yl]acetic acid

(3S)-3-[(2S)-3-(benzyl carboxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]hexanoic acid

(3S)-3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-methylhexanamido]hexanoic acid

(3S)-3-({5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1,2-oxazol-3-yl}formamido)hexanoic acid