Methyl 3-methyl-2-nitro-4-(trifluoromethoxy)pyridine-5-acetate
2-(Aminomethyl)-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-sulfonamide
4-(Difluoromethyl)-5-nitro-3-(trifluoromethoxy)pyridine-2-methanol
4-(Difluoromethyl)-3-nitro-2-(trifluoromethoxy)pyridine-5-methanol