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

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

(S)-2-Amino-N-cyclopropyl-N-(1-pyrazin-2-yl-ethyl)-propionamide

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

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

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

[(3-Methoxy-pyrazin-2-ylmethyl)-methyl-amino]-acetic acid

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

[Isopropyl-(2-oxo-2-pyrazin-2-yl-ethyl)-amino]-acetic acid

2-[Cyclopropyl-(2-hydroxy-ethyl)-amino]-1-furan-2-yl-ethanone

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

2-[(2-Amino-ethyl)-cyclopropyl-amino]-1-thiazol-2-yl-ethanone

2-[(Thiophen-3-ylmethyl)-amino]-ethanol

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

2-(Thiophen-2-ylsulfanyl)-ethanol