5-Iodo-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
5-(Chloromethyl)-3-(difluoromethyl)-2-methoxypyridine-4-carboxaldehyde
2-(Difluoromethyl)-6-methoxy-3-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-5-methoxy-3-(trifluoromethoxy)pyridine
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