2-Chloro-N-(6-chloro-pyridazin-3-ylmethyl)-N-cyclopropyl-acetamide

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

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

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

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

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

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

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

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

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

(1-Pyrazin-2-yl-ethylamino)-acetic acid

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

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

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

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