Ethyl 5-(aminomethyl)-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetate
Ethyl 3-(aminomethyl)-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-5-acetate
2-(Difluoromethyl)-6-nitro-4-(trifluoromethoxy)pyridine-3-methanol
Ethyl 4-methyl-3-nitro-5-(trifluoromethoxy)pyridine-2-carboxylate