Ethyl 6-(difluoromethyl)-3-methyl-4-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 2,3-diamino-6-(trifluoromethoxy)pyridine-4-carboxylate
3-(Chloromethyl)-2-(difluoromethyl)-4-methoxypyridine-6-carboxaldehyde
Methyl 2,3-diamino-4-(trifluoromethoxy)pyridine-6-carboxylate