(2S)-2-acetamido-3-(1H-imidazol-4-yl)-N-methylpropanamide

(2S)-2-acetamido-3-(1H-imidazol-4-yl)propanoic acid

(2S)-2-acetamido-3-(1H-indol-3-yl)propanoic acid

(2S)-2-acetamido-3-(3-phenoxyphenyl)propanoic acid

(2S)-2-acetamido-3-(4-fluorophenyl)propanoic acid

(2S)-2-acetamido-3-(4-hydroxyphenyl)propanoic acid

(2S)-2-acetamido-3-hydroxy-N-methylpropanamide

(2S)-2-acetamido-3-methylbutanoic acid

(2S)-2-acetamido-3-phenylpropanoic acid

(2S)-2-acetamido-3-{[2-(2-methyl-1,3-dioxolan-2-yl)acetyl]oxy}propanoic acid

(2S)-2-acetamido-4-(methylsulfanyl)butanoic acid

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

(2S)-2-acetamido-N-methyl-4-(methylsulfanyl)butanamide

(2S)-2-acetamidobutanedioic acid

(2S)-2-acetamidopentanedioic acid

(2S)-2-acetamidopentanoic acid

(2S)-2-acetamidopropanoic acid

(2S)-2-amino-1-(1,2,3,4-tetrahydroisoquinolin-2-yl)propan-1-one

(2S)-2-amino-1-(1,2,3,4-tetrahydroisoquinolin-2-yl)propan-1-one hydrochloride

(2S)-2-amino-1-(2,3-dihydro-1H-isoindol-2-yl)propan-1-one hydrochloride

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

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

(2S)-2-amino-1-(piperidin-1-yl)propan-1-one hydrochloride

(2S)-2-amino-1-(pyrrolidin-1-yl)butan-1-one hydrochloride

(2S)-2-amino-1-(pyrrolidin-1-yl)propan-1-one hydrochloride

(2S)-2-amino-1-[3-(dimethylamino)pyrrolidin-1-yl]-4-methylpentan-1-one dihydrochloride

(2S)-2-amino-1-{3-[(dimethylamino)methyl]piperidin-1-yl}-3-methylbutan-1-one; bis(trifluoroacetic acid)

(2S)-2-amino-1-{[(4-chlorophenyl)methyl]sulfanyl}-3-(1H-imidazol-4-yl)propan-1-one dihydrochloride

(2S)-2-amino-2-(1,3-dimethyl-1H-pyrazol-4-yl)ethan-1-ol dihydrochloride

(2S)-2-amino-2-(1-methyl-1H-indol-4-yl)ethan-1-ol hydrochloride

(2S)-2-amino-2-(1-methyl-1H-pyrazol-4-yl)ethan-1-ol dihydrochloride

(2S)-2-amino-2-(1-phenylcyclopropyl)ethan-1-ol hydrochloride

(2S)-2-amino-2-(1H-1,2,4-triazol-3-yl)ethan-1-ol dihydrochloride

(2S)-2-amino-2-(1H-pyrazol-3-yl)ethan-1-ol dihydrochloride

(2S)-2-amino-2-(2-bromo-4-chlorophenyl)ethan-1-ol hydrochloride

(2S)-2-amino-2-(2-chlorophenyl)acetic acid

(2S)-2-amino-2-(2-fluorophenyl)ethan-1-ol hydrochloride

(2S)-2-amino-2-(2-methyl-5-nitrophenyl)ethan-1-ol

(2S)-2-amino-2-(3-bromo-4-fluorophenyl)ethan-1-ol hydrochloride

(2S)-2-amino-2-(3-bromo-5-chlorophenyl)ethan-1-ol hydrochloride

(2S)-2-amino-2-(3-bromophenyl)ethan-1-ol hydrochloride

(2S)-2-amino-2-(3-chloro-5-fluorophenyl)ethan-1-ol hydrochloride

(2S)-2-amino-2-(3-chlorophenyl)ethan-1-ol hydrochloride

(2S)-2-amino-2-(3-fluorophenyl)acetic acid hydrochloride

(2S)-2-amino-2-(3-fluorophenyl)ethan-1-ol hydrochloride