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

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

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

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

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

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

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

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

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

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

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