4-(Difluoromethyl)-5-methyl-3-nitropyridine-2-carboxaldehyde
4-(Difluoromethyl)-3-methyl-2-nitropyridine-6-carboxaldehyde
4-(Difluoromethyl)-6-methyl-2-nitropyridine-3-carboxaldehyde
2-(Bromomethyl)-3-(difluoromethyl)-6-methyl-4-nitropyridine
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