1-(6-chloropyrazin-2-yl)-1H-benzimidazole-5-carbonitrile 、
1-(6-chloropyrazin-2-yl)-1H-benzimidazole-6-carbonitrile 、
(S)-(+)-1,2,3,4-四氢-1-萘胺 以From the less polar fractions 1-{6[(1S)-1,2,3,4-tetrahydronaphthalen-1-ylamino]pyrazin-2-yl}-1H-benzimidazole-6-carbonitrile was obtained as a yellow semi-solid (26 mg)的产率得到1-[6-[(1S)-1,2,3,4-tetrahydronaphthalen-1-ylamino]pyrazin-2-yl]-1H-benzimidazole-6-carbonitrile