Ethyl 4-cyano-5-methoxy-2-(trifluoromethoxy)pyridine-3-acetate
3-Chloro-5-(difluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine
Ethyl 4-cyano-3-methoxy-5-(trifluoromethoxy)pyridine-2-acetate
5-Chloro-4-(difluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine