(1R,4R)-[4-((S)-2-Amino-3-methyl-butyrylamino)-cyclohexyl]-cyclopropyl-carbamic acid benzyl ester

(1R,4R)-[4-(Benzyloxycarbonyl-ethyl-amino)-cyclohexylamino]-acetic acid

[2-(Benzyloxycarbonyl-ethyl-amino)-cyclohexylamino]-acetic acid

{2-[(Benzyloxycarbonyl-cyclopropyl-amino)-methyl]-piperidin-1-yl}-acetic acid

2-{(S)-2-[(Benzyl-methyl-amino)-methyl]-pyrrolidin-1-yl}-ethanol

2-[3-(Benzyl-ethyl-amino)-pyrrolidin-1-yl]-ethanol

2-[(S)-3-(Benzyl-isopropyl-amino)-pyrrolidin-1-yl]-ethanol

2-[(S)-3-(Benzyl-isopropyl-amino)-piperidin-1-yl]-ethanol

2-[4-(Benzyl-cyclopropyl-amino)-piperidin-1-yl]-ethanol

2-[(S)-3-(Benzyl-cyclopropyl-amino)-piperidin-1-yl]-ethanol

[(R)-1-(2-Amino-ethyl)-piperidin-3-yl]-benzyl-methyl-amine