(S)-2-Amino-N-(1-benzyl-piperidin-4-yl)-N-ethyl-3-methyl-butyramide

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

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

[(1-Acetyl-pyrrolidin-2-ylmethyl)-cyclopropyl-amino]-acetic acid

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

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

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

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

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

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

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