3-Methoxy-6-(3,4,5-trichlorophenyl)-2-(trifluoromethyl)pyridine
6-(Bromomethyl)-3-chloro-2-(difluoromethyl)pyridine
2-Chloro-5-mercaptoisonicotinonitrile
4-Bromo-3-(difluoromethyl)-6-methoxy-2-nitropyridine
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