(S)-2-Amino-N-((S)-1-benzyl-piperidin-3-yl)-N-isopropyl-3-methyl-butyramide

[((S)-1-Acetyl-piperidin-3-yl)-isopropyl-amino]-acetic acid

[((S)-1-Acetyl-pyrrolidin-3-yl)-cyclopropyl-amino]-acetic acid

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

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

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

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

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

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

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

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