N-[1-((S)-2-Amino-3-methyl-butyryl)-pyrrolidin-2-ylmethyl]-N-ethyl-acetamide

(3-Acetylamino-pyrrolidin-1-yl)-acetic acid

(4-Acetylamino-piperidin-1-yl)-acetic acid

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

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

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

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

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

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

2-(4-Dimethylaminomethyl-piperidin-1-yl)-ethanol

2-[(R)-3-(Cyclopropyl-methyl-amino)-pyrrolidin-1-yl]-ethanol