Methyl 2-(difluoromethyl)-6-nitro-5-(trifluoromethyl)pyridine-3-carboxylate
Methyl 5-(difluoromethyl)-3-methyl-4-(trifluoromethyl)pyridine-2-acetate
4-(Difluoromethyl)-2-methyl-6-(trifluoromethyl)pyridine-3-acetic acid
Methyl 2-(difluoromethyl)-6-nitro-3-(trifluoromethyl)pyridine-5-carboxylate