3-(Difluoromethyl)-2-methyl-5-nitropyridine-4-acetic acid
Methyl 4-(chloromethyl)-3-(difluoromethyl)-2-methoxypyridine-6-acetate
3-(Difluoromethyl)-2-methyl-4-nitropyridine-5-acetic acid
Methyl 4-(chloromethyl)-6-(difluoromethyl)-2-methoxypyridine-3-acetate