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

[(2-Acetylamino-cyclohexyl)-ethyl-amino]-acetic acid

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

[(1-Acetyl-piperidin-4-yl)-isopropyl-amino]-acetic acid

[(2-Acetylamino-cyclohexyl)-isopropyl-amino]-acetic acid

1-[3-(2-Hydroxy-ethylamino)-pyrrolidin-1-yl]-ethanone

[(2-Acetylamino-cyclohexyl)-cyclopropyl-amino]-acetic acid

1-[(S)-3-(2-Hydroxy-ethylamino)-piperidin-1-yl]-ethanone

1-{3-[(2-Hydroxy-ethyl)-methyl-amino]-piperidin-1-yl}-ethanone

N-{2-[(2-Hydroxy-ethyl)-methyl-amino]-cyclohexyl}-acetamide

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

1-(2-{[Ethyl-(2-hydroxy-ethyl)-amino]-methyl}-pyrrolidin-1-yl)-ethanone

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

N-{2-[Ethyl-(2-hydroxy-ethyl)-amino]-cyclohexyl}-acetamide

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