(S)-2-Amino-1-((S)-3-dimethylamino-pyrrolidin-1-yl)-3-methyl-butan-1-one

(S)-2-Amino-1-{3-[(cyclopropyl-methyl-amino)-methyl]-piperidin-1-yl}-3-methyl-butan-1-one

((S)-2-Dimethylaminomethyl-pyrrolidin-1-yl)-acetic acid

((R)-3-Dimethylamino-piperidin-1-yl)-acetic acid

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

[(R)-3-(Isopropyl-methyl-amino)-piperidin-1-yl]-acetic acid

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

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

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

4-(2-Hydroxy-ethyl)-[1,4]diazepane-1-carboxylic acid benzyl ester

1-[4-(2-Hydroxy-ethyl)-[1,4]diazepan-1-yl]-ethanone