(S)-2-Amino-N-(1-benzyl-piperidin-3-ylmethyl)-N-cyclopropyl-3-methyl-butyramide

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

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

[((R)-1-Acetyl-piperidin-3-yl)-cyclopropyl-amino]-acetic acid

1-{2-[(2-Hydroxy-ethylamino)-methyl]-pyrrolidin-1-yl}-ethanone

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

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

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

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

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

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