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