2-(Chloromethyl)-4-(difluoromethyl)-6-methyl-3-nitropyridine
Methyl 2-(difluoromethyl)-3-methoxy-4-nitropyridine-5-carboxylate
3-(Difluoromethyl)-6-methoxy-2-nitropyridine-5-carboxylic acid
5-(Difluoromethyl)-2-methoxy-4-nitropyridine-3-carboxylic acid