2-(Difluoromethyl)-4-fluoro-6-(trifluoromethoxy)pyridine-3-carboxylic acid
Ethyl 2-cyano-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetate
Ethyl 2-cyano-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-6-acetate
2-(Difluoromethyl)-4-fluoro-3-(trifluoromethoxy)pyridine-6-carboxylic acid