Methyl 4-(difluoromethyl)-3-methoxy-6-(trifluoromethoxy)pyridine-2-acetate
Methyl 4-(difluoromethyl)-3-methoxy-2-(trifluoromethoxy)pyridine-6-acetate
3-(Difluoromethyl)-4-methyl-5-nitro-2-(trifluoromethoxy)pyridine
6-(Bromomethyl)-3-methyl-2-nitro-4-(trifluoromethoxy)pyridine