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