6-(Bromomethyl)-2-(difluoromethyl)-3-methoxy-4-nitropyridine
3-(Chloromethyl)-4-(difluoromethyl)-2-methoxypyridine-5-acetic acid
6-(Bromomethyl)-4-(difluoromethyl)-2-methoxy-3-nitropyridine
2-(Chloromethyl)-4-(difluoromethyl)-3-methoxypyridine-5-acetic acid