2-(Difluoromethyl)-6-methoxy-3-methylpyridine-4-sulfonamide
6-(Difluoromethyl)-3-methoxy-2-methylpyridine-4-sulfonamide
Ethyl 5-(chloromethyl)-2-(difluoromethyl)-4-methoxypyridine-3-acetate
Ethyl 5-(chloromethyl)-2-(difluoromethyl)-3-methoxypyridine-4-acetate