6-Bromo-3-(difluoromethyl)-2-(trifluoromethyl)pyridine-4-carboxylic acid
2-Bromo-5-(difluoromethyl)-3-(trifluoromethyl)pyridine-4-carboxylic acid
Ethyl 5-bromo-3-(difluoromethyl)-4-methylpyridine-2-acetate
Ethyl 3-bromo-5-(difluoromethyl)-2-methylpyridine-6-acetate