Methyl 2,4-dichloro-5-(trifluoromethoxy)pyridine-3-carboxylate
5-(Chloromethyl)-3-(difluoromethyl)-2-methyl-4-(trifluoromethoxy)pyridine
Methyl 2,3-dichloro-6-(trifluoromethoxy)pyridine-5-carboxylate
5-(Fluoromethyl)-3-methyl-2-(trifluoromethoxy)pyridine-4-carboxylic acid