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

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

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

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

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

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

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

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

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

2-[(2-Hydroxy-ethyl)-methyl-amino]-1-thiazol-2-yl-ethanone

2-[Isopropyl-(1-thiazol-2-yl-ethyl)-amino]-ethanol