Ethyl 4-(difluoromethyl)-5-nitropyridine-2-carboxylate
3-(Difluoromethyl)-2-(fluoromethyl)-6-methoxypyridine
Ethyl 6-(difluoromethyl)-3-methoxypyridine-2-carboxylate
2-(Difluoromethyl)-4-(fluoromethyl)-6-methoxypyridine
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