(1R,4R)-2-Amino-N-[4-(cyclopropyl-methyl-amino)-cyclohexyl]-acetamide

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

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

(3-Dimethylaminomethyl-piperidin-1-yl)-acetic acid

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

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

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

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

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

1-Acetyl-4-(2-hydroxy-ethyl)-piperazine-2-carboxylic acid methyl ester

1-[4-(2-Hydroxy-ethyl)-3-methyl-piperazin-1-yl]-ethanone