4-Bromo-6-nitro-3-(trifluoromethoxy)pyridine-2-carboxylic acid
6-Bromo-3-nitro-4-(trifluoromethoxy)pyridine-2-carboxylic acid
2-(Aminomethyl)-5-bromo-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine
2-Bromo-3-nitro-5-(trifluoromethoxy)pyridine-6-carboxylic acid