(S)-2-Amino-N-(3-chloro-pyrazin-2-ylmethyl)-N-methyl-propionamide

(S)-2-Amino-N-cyclopropyl-N-(2-oxo-2-pyrazin-2-yl-ethyl)-propionamide

(S)-2-Amino-N-(6-chloro-pyridazin-3-ylmethyl)-N-cyclopropyl-propionamide

(Methyl-pyrazin-2-ylmethyl-amino)-acetic acid

[(3-Chloro-pyrazin-2-ylmethyl)-isopropyl-amino]-acetic acid

[(6-Chloro-pyridazin-3-ylmethyl)-isopropyl-amino]-acetic acid

1-Furan-2-yl-2-[(2-hydroxy-ethyl)-isopropyl-amino]-ethanone

2-[(2-Hydroxy-ethyl)-isopropyl-amino]-1-thiophen-2-yl-ethanone

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

N*1*-Isopropyl-N*1*-(1-thiazol-2-yl-ethyl)-ethane-1,2-diamine

N*1*-Cyclopropyl-N*1*-(3-methyl-thiophen-2-ylmethyl)-ethane-1,2-diamine