4,4'-Biphenyldiboronic acid, tetraethyl ester

2-{[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)phenyl]formamido}-3,3,3-trifluoropropanoic acid

2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylbutanamido]-3,3,3-trifluoropropanoic acid

1-{[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methoxy-4-methylpentanamido]methyl}cyclopropane-1-carboxylic acid

1-benzyl-3-{1-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]cyclobutaneamido}pyrrolidine-3-carboxylic acid

1-benzyl-3-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methylpentanamido]pyrrolidine-3-carboxylic acid

2-[N-(cyclopropylmethyl)-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxybutanamido]acetic acid

1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3,3,3-trifluoropropanoyl]-3-methylpyrrolidine-3-carboxylic acid

2-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2,2-dimethylbutanamido]-5-methylhexanoic acid

(2S,3R)-3-(benzyloxy)-2-{[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxan-4-yl]formamido}butanoic acid

5-{9-azabicyclo[3.3.1]nonan-9-yl}-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-oxopentanoic acid