6-Bromo-3-methoxy-2-(trifluoromethoxy)pyridine-4-carboxylic acid
2-Bromo-5-methoxy-3-(trifluoromethoxy)pyridine-6-carboxylic acid
2-Bromo-6-(difluoromethyl)-5-methyl-3-(trifluoromethoxy)pyridine
2-Bromo-6-(difluoromethyl)-3-methyl-5-(trifluoromethoxy)pyridine