L-Arginine, N2-[1-(1-L-lysyl-L-prolyl)-L-prolyl]-

(2S)-2-[[(2S)-1-[(2S)-1-[(2S)-1-[(2S)-2-amino-4-methylpentanoyl]pyrrolidine-2-carbonyl]pyrrolidine-2-carbonyl]pyrrolidine-2-carbonyl]amino]-5-(diaminomethylideneamino)pentanoic acid

(2S)-5-(diaminomethylideneamino)-2-[[(2S)-3-(1H-imidazol-5-yl)-2-[[2-[[(2S)-1-[(2S)-1-[(2S)-1-[(2S)-pyrrolidine-2-carbonyl]pyrrolidine-2-carbonyl]pyrrolidine-2-carbonyl]pyrrolidine-2-carbonyl]amino]acetyl]amino]propanoyl]amino]pentanoic acid

(2S)-2-[[(2S)-1-[(2S)-6-amino-2-[[(2S)-1-[(2S)-1-[(2S)-6-amino-2-[[2-[(2-aminoacetyl)amino]acetyl]amino]hexanoyl]pyrrolidine-2-carbonyl]pyrrolidine-2-carbonyl]amino]hexanoyl]pyrrolidine-2-carbonyl]amino]-3-phenylpropanoic acid

H-TRP-PRO-PRO-TYR-OH

(2S)-2-[[(2S)-1-[(2S)-6-amino-2-[(2-aminoacetyl)amino]hexanoyl]pyrrolidine-2-carbonyl]amino]-5-(diaminomethylideneamino)pentanoic acid

H-Thr-Lys-Pro-Pro-Arg-OH acetate salt

(2S)-2-[3-cyclopentyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]-4-hydroxybutanoic acid

(2R)-2-[3-cyclopentyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]propanoic acid

2-[3-cyclopentyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-methylpropanamido]acetic acid

2-[3-cyclopentyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanamido]-3-hydroxy-2-methylpropanoic acid

1-[N-methyl1-benzyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)pyrrolidine-3-amido]cyclopropane-1-carboxylic acid

ethyl 2-{[(3-amino-5-methyl-1H-pyrazol-1-yl)methyl]sulfanyl}acetate

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

1-[3-cyclopropyl-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-N-methylbutanamido]cyclopropane-1-carboxylic acid

rac-1-[N-methyl(1R,2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclopentaneamido]cyclopropane-1-carboxylic acid

1-[N-methyl3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutaneamido]cyclopropane-1-carboxylic acid