Ethyl 6-bromo-2-chloro-3-(trifluoromethoxy)pyridine-4-carboxylate
6-Amino-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-acetonitrile
Ethyl 2-bromo-6-chloro-4-(trifluoromethoxy)pyridine-3-carboxylate
2-Amino-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-acetonitrile