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