N*1*-Methyl-N*1*-(1-pyridin-2-yl-ethyl)-ethane-1,2-diamine

(S)-2-Amino-N-pyridin-4-ylmethyl-propionamide

(S)-2-Amino-N-cyclopropyl-3-methyl-N-pyridin-4-ylmethyl-butyramide

(Cyclopropyl-pyridin-2-ylmethyl-amino)-acetic acid

(Cyclopropyl-pyridin-4-ylmethyl-amino)-acetic acid

[2-Oxo-2-(1H-pyrrol-2-yl)-ethylamino]-acetic acid

[Cyclopropyl-(2-oxo-2-thiophen-2-yl-ethyl)-amino]-acetic acid

(Cyclopropyl-furan-2-ylmethyl-amino)-acetic acid

[(3-Methyl-thiophen-2-ylmethyl)-amino]-acetic acid

N*1*-(2-Chloro-thiazol-5-ylmethyl)-N*1*-isopropyl-ethane-1,2-diamine

2-Chloro-N-(2-chloro-thiazol-5-ylmethyl)-N-cyclopropyl-acetamide