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

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

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

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

(1R,4R)- (4-Dimethylamino-cyclohexylamino)-acetic acid

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

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

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

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

[Cyclopropyl-(1-methyl-piperidin-4-yl)-amino]-acetic acid

((S)-3-Hydroxy-pyrrolidin-1-yl)-acetic acid