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