(S)-2-Amino-N-cyclopropyl-N-(3-methylsulfanyl-pyrazin-2-ylmethyl)-propionamide

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

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

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

[Isopropyl-(1-pyrazin-2-yl-ethyl)-amino]-acetic acid

1-Furan-2-yl-2-(2-hydroxy-ethylamino)-ethanone

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

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

2-(Furan-2-ylmethyl-methyl-amino)-ethanol

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

2-Chloro-N-(2-furan-2-yl-2-oxo-ethyl)-N-isopropyl-acetamide