Ethyl 5-isobutyl-1,3,4-thiadiazole-2-carboxylate

3-[N-cyclopropyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(methoxymethyl)propanamido]propanoic acid

(4R)-3-[(1RS,2SR)-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopentanecarbonyl]-1,3-thiazolidine-4-carboxylic acid

rac-3-{[(1R,2S)-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopentyl]formamido}-2-methylbutanoic acid

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-[(5-iodo-2-methylphenyl)carbamoyl]propanoic acid

3-({[2-(benzyloxy)phenyl]methyl}carbamoyl)-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-[(4-hydroxypentan-2-yl)carbamoyl]propanoic acid

2-{2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1H-pyrazol-1-yl]-N-methylacetamido}acetic acid

(2S)-2-[5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]pentanoic acid

2-[6-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-(prop-2-en-1-yl)hexanamido]acetic acid

3-{N-ethyl-1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxolan-3-yl]formamido}propanoic acid