4-(Bromomethyl)-6-(difluoromethyl)-3-methoxy-2-nitropyridine
5-(Bromomethyl)-2-(difluoromethyl)-3-methoxy-4-methylpyridine
5-(Bromomethyl)-3-(difluoromethyl)-4-methoxy-2-nitropyridine
Methyl 4-(difluoromethyl)-5-methoxy-2-(trifluoromethyl)pyridine-3-acetate