(2S,4R)-1-[(2S)-2-(20-aminoicosanoylamino)-3,3-dimethyl-butanoyl]-4-hydroxy-N-[[4-(4-methylthiazol-5-yl)phenyl]methyl]pyrrolidine-2-carboxamide

(2S,4R)-1-[(2S)-2-(7-aminoheptanoylamino)-3,3-dimethyl-butanoyl]-4-hydroxy-N-[(1S)-1-[4-(4-methylthiazol-5-yl)phenyl]ethyl]pyrrolidine-2-carboxamide;2,2,2-trifluoroacetic acid

(2S,4R)-1-[(2S)-2-[[2-[2-[2-(2-bromoethoxy)ethoxy]ethoxy]acetyl]amino]-3,3-dimethyl-butanoyl]-4-hydroxy-N-[[4-(4-methylthiazol-5-yl)phenyl]methyl]pyrrolidine-2-carboxamide

(2S,4R)-1-[(2S)-2-[[2-(2-aminoethoxy)acetyl]amino]-3,3-dimethyl-butanoyl]-4-hydroxy-N-[(1S)-1-[4-(4-methylthiazol-5-yl)phenyl]ethyl]pyrrolidine-2-carboxamide

(2S,4R)-1-[(2S)-2-(16-aminohexadecanoylamino)-3,3-dimethyl-butanoyl]-4-hydroxy-N-[[4-(4-methylthiazol-5-yl)phenyl]methyl]pyrrolidine-2-carboxamide

(2S,4R)-1-[(2S)-2-[7-(3-bromopropoxy)heptanoylamino]-3,3-dimethyl-butanoyl]-4-hydroxy-N-[[4-(4-methylthiazol-5-yl)phenyl]methyl]pyrrolidine-2-carboxamide

(2S,4R)-1-[(2S)-2-[[(2S)-2-amino-4-methyl-pentanoyl]amino]-3,3-dimethyl-butanoyl]-4-hydroxy-N-[[4-(4-methylthiazol-5-yl)phenyl]methyl]pyrrolidine-2-carboxamide

(2S,4R)-1-[(2S)-2-[[2-(3-aminopropoxy)acetyl]amino]-3,3-dimethyl-butanoyl]-4-hydroxy-N-[[4-(4-methylthiazol-5-yl)phenyl]methyl]pyrrolidine-2-carboxamide

1-(Bromomethyl)-4'-ethyl-3-oxaspiro[bicyclo[3.1.0]hexane-2,1'-cyclohexane]

1-[(Propan-2-yloxy)methyl]cyclopentane-1-carbaldehyde

2-[(Thiophen-2-yl)methyl]oxolane-2-carbaldehyde

Tert-butyl 3-ethyl-3-formyl-8-azabicyclo[3.2.1]octane-8-carboxylate

2-[(2-Chlorothiophen-3-yl)methyl]-2-methylbutanal

3-(2,2-Dimethylbutyl)oxolane-3-carbaldehyde

1-(2-Fluoro-2-methylpropyl)-2-methylcyclopentane-1-carbaldehyde

2-(1,1-Difluoroethyl)-5-fluorobenzaldehyde

3-[(4R)-3-{[(9H-fluoren-9-yl)methoxy]carbonyl}-2,2-dimethyl-1,3-oxazolidin-4-yl]propanoic acid

2-{1-[(Tert-butoxy)carbonyl]-3,3-dimethylazetidin-2-yl}acetic acid