3,4-Dihydroxy-5-(trifluoromethoxy)pyridine-2-acetonitrile
5-Amino-4-(difluoromethyl)-3-(trifluoromethyl)pyridine-2-acetonitrile
Ethyl 3-hydroxy-5-methoxy-2-(trifluoromethoxy)pyridine-4-acetate
3-(Chloromethyl)-2-(difluoromethyl)-5-hydroxy-6-(trifluoromethoxy)pyridine