Ethyl 2-methyl-5-nitro-6-(trifluoromethoxy)pyridine-3-carboxylate
2-(Aminomethyl)-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-sulfonamide
Methyl 3-methyl-4-nitro-2-(trifluoromethoxy)pyridine-5-acetate
6-(Aminomethyl)-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-sulfonamide