(1R,4R)-(S)-N-[4-(Acetyl-cyclopropyl-amino)-cyclohexyl]-2-amino-3-methyl-butyramide

[(S)-3-(Acetyl-methyl-amino)-pyrrolidin-1-yl]-acetic acid

[(S)-3-(Acetyl-methyl-amino)-piperidin-1-yl]-acetic acid

[(R)-3-(Acetyl-ethyl-amino)-pyrrolidin-1-yl]-acetic acid

{4-[(Acetyl-ethyl-amino)-methyl]-piperidin-1-yl}-acetic acid

[2-(Acetyl-isopropyl-amino)-cyclohexylamino]-acetic acid

[3-(Acetyl-cyclopropyl-amino)-piperidin-1-yl]-acetic acid

2-((R)-3-Dimethylamino-piperidin-1-yl)-ethanol

2-(3-Dimethylaminomethyl-piperidin-1-yl)-ethanol

2-[(S)-3-(Isopropyl-methyl-amino)-piperidin-1-yl]-ethanol

4-(2-Amino-acetyl)-[1,4]diazepane-1-carboxylic acid benzyl ester