Ethyl 2-(difluoromethyl)-5-methoxy-3-methylpyridine-6-acetate
4-(Difluoromethyl)-6-methoxy-2-(trifluoromethyl)pyridine-3-carboxaldehyde
Ethyl 6-(difluoromethyl)-4-methoxy-3-methylpyridine-2-acetate
4-(Difluoromethyl)-6-methoxy-3-(trifluoromethyl)pyridine-2-carboxaldehyde