3-Chloro-2-(difluoromethyl)-4,6-dimethoxypyridine
2-Amino-5-bromo-3-(difluoromethyl)-6-iodopyridine
5-Chloro-6-(difluoromethyl)-2,3-dimethoxypyridine
2-Bromo-4-(difluoromethyl)-3,5-dimethoxypyridine
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