4-(Difluoromethyl)-2-methoxy-5-nitropyridine
3-(Difluoromethyl)-5-methoxy-4-nitropyridine
2-(Chloromethyl)-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-(Difluoromethyl)-4-methoxy-5-nitropyridine
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