(2S)-2-amino-4-ethylhexanoic acid

(2S)-2-amino-4-ethylhexanoic acid hydrochloride

(2S)-2-amino-4-fluoropent-4-enoic acid hydrochloride

(2S)-2-amino-4-hydroxybutanoic acid

(2S)-2-amino-4-methanesulfinylbutanoic acid

(2S)-2-amino-4-methanesulfonylbutan-1-ol hydrochloride

(2S)-2-amino-4-methanesulfonylbutanoic acid

(2S)-2-amino-4-methoxy-3,3-dimethyl-4-oxobutanoic acid hydrochloride

(2S)-2-amino-4-methoxy-4-oxobutanoic acid hydrochloride

(2S)-2-amino-4-methyl-1-(morpholin-4-yl)pentan-1-one hydrochloride

(2S)-2-amino-4-methyl-N-(naphthalen-2-yl)pentanamide hydrochloride

(2S)-2-amino-4-methyl-N-phenylpentanamide

(2S)-2-amino-4-methylhexanoic acid

(2S)-2-amino-4-methylhexanoic acid hydrochloride

(2S)-2-amino-4-methylpentan-1-ol

(2S)-2-amino-4-methylpentanamide hydrochloride

(2S)-2-amino-4-methylpentanehydrazide hydrochloride

(2S)-2-amino-4-methylpentanoic acid

(2S)-2-amino-4-methylpentanoic acid hydrochloride

(2S)-2-amino-4-oxo-4-phenylbutanoic acid hydrochloride

(2S)-2-amino-4-phenoxybutanoic acid

(2S)-2-amino-4-phenylbutan-1-ol hydrochloride

(2S)-2-amino-4-phenylbutanoic acid

(2S)-2-amino-4-[(difluoromethyl)sulfanyl]butanoic acid hydrochloride

(2S)-2-amino-4-[(methoxycarbonyl)amino]butanoic acid hydrochloride

(2S)-2-amino-4-[(trifluoromethyl)sulfanyl]butanoic acid hydrochloride

(2S)-2-amino-4-[3-(but-3-yn-1-yl)-3H-diazirin-3-yl]butanoic acid hydrochloride

(2S)-2-amino-4-{[(1R)-1-[(carboxymethyl)carbamoyl]-2-sulfanylethyl]carbamoyl}butanoic acid

(2S)-2-amino-4-{[(3S)-3-amino-3-carboxypropyl]disulfanyl}butanoic acid

(2S)-2-amino-5,5,5-trifluoro-4-methylpentanoic acid hydrochloride

(2S)-2-amino-5,5,5-trifluoropentanoic acid hydrochloride

(2S)-2-amino-5,5-difluoro-4,4-dimethylpentanoic acid

(2S)-2-amino-5,5-difluoro-4,4-dimethylpentanoic acid hydrochloride

(2S)-2-amino-5,5-difluoropentan-1-ol hydrochloride

(2S)-2-amino-5,5-difluoropentanamide hydrochloride

(2S)-2-amino-5,5-difluoropentanoic acid hydrochloride

(2S)-2-amino-5,5-dimethylheptanoic acid hydrochloride

(2S)-2-amino-5-(aminooxy)pentanoic acid

(2S)-2-amino-5-(benzyloxy)-5-oxopentanoic acid

(2S)-2-amino-5-(carbamoylamino)pentanoic acid

(2S)-2-amino-5-(dimethylamino)pentanoic acid dihydrochloride

(2S)-2-amino-5-(N'-nitrocarbamimidamido)pentanoic acid

(2S)-2-amino-5-(tert-butoxy)-5-oxopentanoic acid

(2S)-2-amino-5-({[(2-nitrophenyl)methyl]carbamoyl}amino)pentanoic acid dihydrochloride

(2S)-2-amino-5-({[(tert-butoxy)carbonyl]amino}oxy)pentanoic acid