1-{4-[(2-Amino-ethyl)-isopropyl-amino]-piperidin-1-yl}-ethanone

(1R,4R)-[(4-Dimethylamino-cyclohexyl)-methyl-amino]-acetic acid

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

[Isopropyl-(1-methyl-pyrrolidin-2-ylmethyl)-amino]-acetic acid

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

(1R,4R)-[Cyclopropyl-(4-dimethylamino-cyclohexyl)-amino]-acetic acid

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

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

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

(1R,4R)-2-[(4-Dimethylamino-cyclohexyl)-methyl-amino]-ethanol

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