Methyl 4,5-difluoro-3-(difluoromethyl)pyridine-2-carboxylate
Methyl 2,5-difluoro-4-(difluoromethyl)pyridine-3-carboxylate
6-Cyano-2-(difluoromethyl)-3,4-dimethoxypyridine
2-Cyano-4-(difluoromethyl)-3,6-dimethoxypyridine
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