Methyl 5-(chloromethyl)-4-(difluoromethyl)-2-methoxypyridine-3-acetate
Methyl 4-(difluoromethyl)-3-methoxy-2-nitropyridine-6-acetate
Methyl 4-(difluoromethyl)-6-methoxy-2-nitropyridine-3-acetate
Methyl 5-(chloromethyl)-4-(difluoromethyl)-3-methoxypyridine-2-acetate