Ethyl 6-(difluoromethyl)-4-methoxy-3-methylpyridine-2-acetate
4-(Difluoromethyl)-6-methoxy-3-(trifluoromethyl)pyridine-2-carboxaldehyde
Ethyl 2-(difluoromethyl)-4-methoxy-3-methylpyridine-6-acetate
4-(Difluoromethyl)-2-methoxy-3-(trifluoromethyl)pyridine-6-carboxaldehyde