2-Amino-N-(3-chloro-pyrazin-2-ylmethyl)-acetamide

2-Amino-N-methyl-N-(1-pyrazin-2-yl-ethyl)-acetamide

2-Amino-N-methyl-N-(2-oxo-2-pyrazin-2-yl-ethyl)-acetamide

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

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

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

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

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

(S)-2-Amino-N-isopropyl-3-methyl-N-(1-pyrazin-2-yl-ethyl)-butyramide

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

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

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

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

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

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