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

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

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

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

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

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

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

N-{2-[(2-Amino-ethyl)-isopropyl-amino]-cyclohexyl}-acetamide

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

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

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