Methyl 5-cyano-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetate
2-(Difluoromethyl)-3-fluoro-6-(trifluoromethoxy)pyridine-4-carboxylic acid
Methyl 4-cyano-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetate
4-(Difluoromethyl)-3-fluoro-5-(trifluoromethoxy)pyridine-2-methanol