1-[(2R,6S)-2,6-dimethylmorpholin-4-yl]ethan-1-one

1-[(2R,6S)-2,6-dimethyloxan-4-yl]ethan-1-ol

1-[(2R,6S)-2,6-dimethylpiperazin-1-yl]ethan-1-one

1-[(2S)-1-(3-methylbutyl)piperidin-2-yl]methanamine dihydrochloride

1-[(2S)-1-(prop-2-yn-1-yl)pyrrolidin-2-yl]methanamine dihydrochloride

1-[(2S)-1-cyclopropanecarbonylpyrrolidin-2-yl]methanamine hydrochloride

1-[(2S)-1-methylpyrrolidin-2-yl]ethan-1-ol

1-[(2S)-1-methylpyrrolidin-2-yl]propan-2-ol

1-[(2S)-1-[(tert-butoxy)carbonyl]pyrrolidine-2-carbonyl]piperidine-4-carboxylic acid

1-[(2S)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}pyrrolidine-2-carbonyl]piperidine-4-carboxylic acid

1-[(2S)-2-(aminomethyl)pyrrolidin-1-yl]ethan-1-one dihydrochloride

1-[(2S)-2-(dimethylamino)-3-(4-hydroxyphenyl)propyl]-3-[(2S)-1-(thiophen-3-yl)propan-2-yl]urea

1-[(2S)-2-(dimethylamino)-3-(4-hydroxyphenyl)propyl]-3-[(2S)-1-(thiophen-3-yl)propan-2-yl]urea; sulfuric acid

1-[(2S)-2-(hydroxymethyl)pyrrolidin-1-yl]ethan-1-one

1-[(2S)-2-(pyridin-3-yl)pyrrolidin-1-yl]ethan-1-one

1-[(2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-methylpentanoyl]piperidine-4-carboxylic acid

1-[(2S)-2-ethynylpiperidin-1-yl]ethan-1-one

1-[(2S)-2-hydroxy-3-(naphthalen-2-yloxy)propyl]-4-(quinolin-3-yl)piperidin-4-ol

1-[(2S)-2-hydroxypropyl]piperidin-2-one

1-[(2S)-2-methylpiperazin-1-yl]ethan-1-one dihydrochloride

1-[(2S)-2-methylpyrrolidin-2-yl]ethan-1-ol

1-[(2S)-2-[(2S)-2-{[(tert-butoxy)carbonyl](methyl)amino}propanamido]-2-cyclohexylacetyl]pyrrolidine-2-carboxylic acid

1-[(2S)-2-{[(tert-butoxy)carbonyl]amino}-3,3,3-trifluoropropyl]-1H-1,2,3-triazole-4-carboxylic acid

1-[(2S)-2-{[(tert-butoxy)carbonyl]amino}-3,3-difluoropropyl]-1H-1,2,3-triazole-4-carboxylic acid

1-[(2S)-2-{[(tert-butoxy)carbonyl]amino}-3-fluoropropyl]-1H-1,2,3-triazole-4-carboxylic acid

1-[(2S)-2-{[(tert-butoxy)carbonyl]amino}-3-methylbutyl]cyclopropane-1-carboxylic acid

1-[(2S)-2-{[(tert-butoxy)carbonyl]amino}propyl]-1H-1,2,3-triazole-4-carboxylic acid

1-[(2S)-2-{[(tert-butoxy)carbonyl]amino}propyl]cyclopropane-1-carboxylic acid

1-[(2S)-4,4-difluoropyrrolidin-2-yl]methanamine dihydrochloride

1-[(2S)-oxolan-2-yl]ethan-1-one

1-[(2S)-piperidin-2-yl]ethan-1-one hydrochloride

1-[(2S)-pyrrolidin-2-yl]propan-1-ol hydrochloride

1-[(2S)-pyrrolidin-2-yl]propan-1-one hydrochloride

1-[(2S)-pyrrolidine-2-carbonyl]-4-(1,3-thiazol-2-yl)piperazine dihydrochloride

1-[(2S,3aS,7aS)-octahydro-1H-indol-2-yl]methanamine dihydrochloride

1-[(2S,4R,5S)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-methyl-1,2,3,4-tetrahydropyrimidine-2,4-dione

1-[(2S,4S)-4-(methoxymethyl)pyrrolidin-2-yl]methanamine dihydrochloride

1-[(3,3-dimethylazetidin-2-yl)methyl]-1H-imidazole; bis(trifluoroacetic acid)

1-[(3,3-dimethylbutyl)amino]propan-2-ol hydrochloride

1-[(3,3-diphenylpropyl)(methyl)amino]-2-methylpropan-2-ol

1-[(3,4,5-trimethoxyphenyl)methyl]piperazine

1-[(3,4,5-trimethoxyphenyl)methyl]piperazine; 2-[(5-methyl-4H-1,2,4-triazol-3-yl)sulfanyl]acetic acid

1-[(3,4-dichlorophenyl)methyl]-1H-pyrazol-3-amine

1-[(3,4-dichlorophenyl)methyl]-1H-pyrazol-4-amine hydrochloride

1-[(3,4-dichlorophenyl)methyl]piperidin-3-ol