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

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

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

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

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

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

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

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

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

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

2-(2-Dimethylamino-cyclohexylamino)-ethanol