2-Fluoro-4,6-di(pyridin-3-yl)benzoic acid
2-Chloro-5-(pyridin-4-yl)nicotinonitrile
5-Chloro-3-(pyridin-4-yl)picolinonitrile
2-Chloro-6-methyl-3,5-di(pyridin-3-yl)pyridine
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