4-(Difluoromethyl)-3-methoxypyridine-2-carboxylic acid
2-(Difluoromethyl)-3-methoxy-5-methylpyridine-4-carboxaldehyde
6-Bromo-3-iodo-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
6-Bromo-2-cyano-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
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