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