4-(Difluoromethyl)-2-fluoro-3-(fluoromethyl)pyridine
2-(Difluoromethyl)-3-fluoro-4-(fluoromethyl)pyridine
4-(Chloromethyl)-3-(difluoromethyl)-2-fluoropyridine
2-(Difluoromethyl)-4-fluoro-6-methoxypyridine
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