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

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

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

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

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

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

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

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

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

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

2-[4-(Isopropyl-methyl-amino)-piperidin-1-yl]-ethanol