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

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

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

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

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

[Isopropyl-(1-methyl-piperidin-4-ylmethyl)-amino]-acetic acid

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

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

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

2-((R)-1-Methyl-pyrrolidin-3-ylamino)-ethanol

(1R,4R)-2-(4-Dimethylamino-cyclohexylamino)-ethanol