1-{(R)-3-[Cyclopropyl-(2-hydroxy-ethyl)-amino]-piperidin-1-yl}-ethanone

[Methyl-((R)-1-methyl-pyrrolidin-3-yl)-amino]-acetic acid

[Methyl-(1-methyl-piperidin-3-ylmethyl)-amino]-acetic acid

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

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

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

[(2-Dimethylamino-cyclohexyl)-isopropyl-amino]-acetic acid

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

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

[Cyclopropyl-(1-methyl-pyrrolidin-3-ylmethyl)-amino]-acetic acid

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