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