((S)-1-Acetyl-pyrrolidin-3-ylamino)-acetic acid

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

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

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

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

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

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

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

1-[4-(2-Hydroxy-ethylamino)-piperidin-1-yl]-ethanone

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

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