4-Bromo-3-(difluoromethyl)-2,6-dimethoxypyridine
5-Amino-4-chloro-3-cyano-2-(difluoromethyl)pyridine
5-Bromo-3-(difluoromethyl)-2,4-dimethoxypyridine
2-Amino-5-chloro-3-(difluoromethyl)-6-methoxypyridine
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