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

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

1-((S)-2-{[(2-Amino-ethyl)-isopropyl-amino]-methyl}-pyrrolidin-1-yl)-ethanone

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

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

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

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

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

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

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

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

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

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

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

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