6-(Difluoromethyl)-2,4-dimethoxypyridine-3-carboxaldehyde
5-Amino-3-chloro-2-cyano-4-(difluoromethyl)pyridine
3-(Difluoromethyl)-2,4-dimethoxypyridine-6-carboxaldehyde
3-Amino-5-chloro-4-cyano-2-(difluoromethyl)pyridine
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