4-(Difluoromethyl)-3-methoxy-2-(trifluoromethoxy)pyridine
3-(Chloromethyl)-6-(difluoromethyl)-2-methoxypyridine-4-carboxaldehyde
4-(Difluoromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine
3-Iodo-6-(trifluoromethoxy)pyridine-2-carboxaldehyde
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