(S)-2-Amino-N-(1-benzyl-piperidin-2-ylmethyl)-N-cyclopropyl-propionamide

(1-Acetyl-piperidin-4-ylamino)-acetic acid

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

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

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

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

[(2-Acetylamino-cyclohexyl)-isopropyl-amino]-acetic acid

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

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

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

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