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