2-Bromo-6-(difluoromethyl)-5-fluoropyridine-3-carboxylic acid
4-Bromo-5-(difluoromethyl)-3-methyl-2-(trifluoromethyl)pyridine
2-Bromo-6-(difluoromethyl)-3-fluoropyridine-5-carboxylic acid
3-Bromo-4-(difluoromethyl)-2-methyl-5-(trifluoromethyl)pyridine