N-[1-((S)-2-Amino-3-methyl-butyryl)-piperidin-4-yl]-acetamide

N-[1-((S)-2-Amino-3-methyl-butyryl)-piperidin-4-ylmethyl]-N-isopropyl-acetamide

N-[1-((S)-2-Amino-3-methyl-butyryl)-piperidin-4-ylmethyl]-N-cyclopropyl-acetamide

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

[3-(Acetylamino-methyl)-piperidin-1-yl]-acetic acid

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

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

{2-[(Acetyl-isopropyl-amino)-methyl]-pyrrolidin-1-yl}-acetic acid

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

(1R,4R)-[4-(Acetyl-cyclopropyl-amino)-cyclohexylamino]-acetic acid

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