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