(S)-2-((S)-4-Amino-4-carboxybutanamido)pentanedioic acid
(S)-4-Amino-5-(((S)-1-carboxyethyl)amino)-5-oxopentanoic acid
(S)-4-Amino-2-(2-aminoacetamido)-4-oxobutanoic acid
(R)-2-(2-Aminoacetylamino)-3-phenylpropionic acid
H-Gly-Gly-Phe-OH
(2S,4R)-1-Glycyl-4-hydroxypyrrolidine-2-carboxylic acid
Glycyl-L-methionine
L-Histidyl-L-aspartic acid
L-Histidyl-L-lysine hydrobromide
L-Histidyl-L-phenylalanine
H-Ile-Glu-OH
(2S,3S)-2-((2S,3S)-2-Amino-3-methylpentanamido)-3-methylpentanoic acid
H-Ile-Leu-OH
L-Leucyl-L-isoleucine
(S)-2-((S)-2-Amino-4-methylpentanamido)-4-methylpentanoic acid
L-Leucyl-L-valine
(S)-2-(2,6-Diaminohexanamido)acetic acid hydrochloride
(S)-2-(2-Amino-4-(methylthio)butanamido)acetic acid
(S)-2-((S)-2-Amino-3-phenylpropanamido)propanoic acid
(S)-2-(2-Amino-3-phenylpropanamido)acetic acid
(2S,3S)-2-((S)-2-Amino-3-phenylpropanamido)-3-methylpentanoic acid
L-Phenylalanyl-L-leucine
Methyl L-phenylalanyl-L-phenylalaninate hydrochloride
(S)-2-((S)-2-Amino-3-phenylpropanamido)-3-(1H-indol-3-yl)propanoic acid
(S)-2-((S)-Pyrrolidine-2-carboxamido)propanoic acid
(S)-2-(Pyrrolidine-2-carboxamido)acetic acid
(S)-3-Phenyl-2-(((S)-pyrrolidin-2-yl)formamido)propanoic acid
(S)-2-((S)-2-Amino-3-hydroxypropanamido)propanoic acid
L-Seryl-L-serine
L-Threonyl-L-leucine
