(1R,4R)-N-{4-[(2-Amino-ethyl)-cyclopropyl-amino]-cyclohexyl}-acetamide

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

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

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

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

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

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

[Cyclopropyl-(2-dimethylamino-cyclohexyl)-amino]-acetic acid

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

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

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