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

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

(1R,4R)- [(4-Acetylamino-cyclohexyl)-methyl-amino]-acetic acid

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

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

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

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

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

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

N-[4-(2-Hydroxy-ethylamino)-cyclohexyl]-acetamide

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

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

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

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

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