3-(Difluoromethyl)-2-methoxypyridine-4-carboxaldehyde
4-(Difluoromethyl)-3-(trifluoromethyl)pyridine-5-carboxylic acid
2-(Difluoromethyl)-6-methoxypyridine-3-carboxaldehyde
4-(Difluoromethyl)-2-(trifluoromethyl)pyridine-5-carboxylic acid
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