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

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

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

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

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

((S)-1-Methyl-piperidin-3-ylamino)-acetic acid

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

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

[Ethyl-(1-methyl-piperidin-2-ylmethyl)-amino]-acetic acid

[Isopropyl-(1-methyl-piperidin-4-ylmethyl)-amino]-acetic acid

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