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

(1-Methyl-piperidin-3-ylamino)-acetic acid

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

[Methyl-(1-methyl-piperidin-2-ylmethyl)-amino]-acetic acid

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

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

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

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

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

(4-Hydroxy-cyclohexylamino)-acetic acid

2-[(1-Methyl-piperidin-3-ylmethyl)-amino]-ethanol