6-(Chloromethyl)-3-(difluoromethyl)-4-methoxypyridine-2-acetic acid
2-(Chloromethyl)-5-(difluoromethyl)-3-methoxypyridine-6-acetic acid
Methyl 4-(difluoromethyl)-3-methyl-6-nitropyridine-2-carboxylate
Methyl 4-(difluoromethyl)-3-methyl-5-nitropyridine-2-carboxylate