(2-Acetylamino-cyclohexylamino)-acetic acid

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

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

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

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

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

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

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

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

N-{4-[(2-Hydroxy-ethyl)-methyl-amino]-cyclohexyl}-acetamide

(1R,4R)-N-{4-[(2-Hydroxy-ethyl)-methyl-amino]-cyclohexyl}-acetamide