4-Cyano-3-(difluoromethyl)-2,6-dimethoxypyridine
6-Amino-4-bromo-3-(difluoromethyl)-2-(trifluoromethyl)pyridine
2-Chloro-3-(difluoromethyl)-4,5-dimethoxypyridine
3-Amino-6-bromo-4-(chloromethyl)-2-(difluoromethyl)pyridine
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