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