(4S)-4-[[2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]acetyl]amino]-5-[[(1S)-1-carboxy-2-hydroxyethyl]amino]-5-oxopentanoic acid
(2S,4S)-2-amino-4-(naphthalen-2-ylmethyl)pentanedioic acid
(2S)-3-(4-hydroxyphenyl)-2-[[(2S)-pyrrolidine-2-carbonyl]amino]propanoic acid
N,N-diethylethanamine;2-[(5Z)-4-oxo-2-sulfanylidene-5-[3-(3-sulfobutyl)-1,3-benzothiazol-2-ylidene]-1,3-thiazolidin-3-yl]acetic acid
(2S)-1-[(2S)-2,6-bis[(2-methylpropan-2-yl)oxycarbonylamino]hexanoyl]pyrrolidine-2-carboxylic acid
tert-butyl (1S,5S)-3,6-diazabicyclo[3.2.0]heptane-3-carboxylate