N-[(S)-1-((S)-2-Amino-3-methyl-butyryl)-piperidin-3-yl]-N-methyl-acetamide

N-[(R)-1-((S)-2-Amino-3-methyl-butyryl)-piperidin-3-yl]-N-cyclopropyl-acetamide

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

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

[4-(Acetyl-methyl-amino)-cyclohexylamino]-acetic acid

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

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

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

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

2-(2-Dimethylaminomethyl-pyrrolidin-1-yl)-ethanol

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