(3R)-3-hydroxy-3-[5-(methoxycarbonyl)-1-methyl-1H-pyrrol-2-yl]propanoic acid

3-[({5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]furan-2-yl}formamido)methyl]pentanoic acid

3-({[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methyloxolan-3-yl]formamido}methyl)pentanoic acid

2-[2-(ethyl carboxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]cyclopentane-1-carboxylic acid

3-[2-(ethyl carboxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]oxolane-3-carboxylic acid

6-[2-(ethyl carboxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)acetamido]hexanoic acid

4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-{[(5-methylthiophen-2-yl)methyl]carbamoyl}butanoic acid

2-(1-{5-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]furan-2-yl}-N-methylformamido)butanoic acid

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

(3I(2),16I+/-,21I(2),22I+/-)-28-(Acetyloxy)-16,22-dihydroxy-21-[[(2Z)-2-methyl-1-oxo-2-buten-1-yl]oxy]olean-12-en-3-yl O-I(2)-D-galactopyranosyl-(1a2)-O-[O-I(2)-D-xylopyranosyl-(1a2)-I+/--L-arabinopyranosyl-(1a3)]-I(2)-D-glucopyranosiduronic acid

1-[2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbutanoyl]azepane-2-carboxylic acid