5-(Difluoromethyl)-4-fluoro-2-iodopyridine-3-carboxaldehyde
2-(Difluoromethyl)-3-fluoro-6-iodopyridine-5-carboxaldehyde
2-(Bromomethyl)-5-(difluoromethyl)-6-fluoro-3-methoxypyridine
2-(Bromomethyl)-3-(difluoromethyl)-5-fluoro-4-methoxypyridine
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