5-(Difluoromethyl)-4-methoxy-3-nitropyridine-2-carboxylic acid
4-(Chloromethyl)-2-(difluoromethyl)-3-iodopyridine-6-carboxaldehyde
Ethyl 6-(difluoromethyl)-2-methoxy-3-nitropyridine-4-carboxylate
2-(Chloromethyl)-5-(difluoromethyl)-3-iodopyridine-6-carboxaldehyde