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

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

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

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

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

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

[(4-Dimethylamino-cyclohexyl)-ethyl-amino]-acetic acid

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

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

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

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

2-[((S)-1-Methyl-pyrrolidin-2-ylmethyl)-amino]-ethanol

2-(1-Methyl-piperidin-3-ylamino)-ethanol

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

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