2-Chloro-N-cyclobutyl-6-methylpyridine-4-carboxamide

3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-{[(1R)-1-(pyridin-3-yl)ethyl]carbamoyl}propanoic acid

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

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-({2-[(propan-2-yl)carbamoyl]ethyl}carbamoyl)butanoic acid

2-[(2S)-N-tert-butyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pentanamido]acetic acid

3-{[cyclobutyl(cyclopropyl)methyl]carbamoyl}-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid

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

23-Des(methoxyimino)-23-hydroxy Moxidectin O-TBS

rac-5-{[(1R,2S)-2-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclopentyl]formamido}pentanoic acid

3-[(2S,3S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylpentanamido]oxolane-3-carboxylic acid

(2R,4R)-1-(2-{1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclobutyl}acetyl)-4-hydroxypyrrolidine-2-carboxylic acid