(S)-2-Amino-N-((S)-1-benzyl-piperidin-3-yl)-N-isopropyl-3-methyl-butyramide

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

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

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

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

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

1-{3-[(2-Hydroxy-ethylamino)-methyl]-piperidin-1-yl}-ethanone

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

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

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

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