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

(S)-2-Amino-N-(3-chloro-pyrazin-2-ylmethyl)-3,N-dimethyl-butyramide

(S)-2-Amino-3-methyl-N-(2-oxo-2-pyrazin-2-yl-ethyl)-butyramide

(S)-2-Amino-N-(6-methoxy-pyridazin-3-ylmethyl)-N-methyl-propionamide

(S)-2-Amino-N-isopropyl-N-(6-methoxy-pyridazin-3-ylmethyl)-propionamide

[Cyclopropyl-(3-methoxy-pyrazin-2-ylmethyl)-amino]-acetic acid

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

[Cyclopropyl-(6-methoxy-pyridazin-3-ylmethyl)-amino]-acetic acid

2-[(2-Amino-ethyl)-methyl-amino]-1-thiophen-2-yl-ethanone

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

2-(Methyl-thiophen-3-ylmethyl-amino)-ethanol