4-(Difluoromethyl)-2-iodopyridine-5-carboxaldehyde
4-(Trifluoromethoxy)-2,3,5-trimethoxypyridine
3-(Difluoromethyl)-2-iodopyridine-5-carboxaldehyde
2-(Difluoromethyl)-5-iodopyridine-4-carboxaldehyde
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