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