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