4-Amino-2-(bromomethyl)-6-nitro-3-(trifluoromethoxy)pyridine
4-Amino-2-(bromomethyl)-5-nitro-3-(trifluoromethoxy)pyridine
3-Amino-6-(bromomethyl)-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine
3-Amino-6-(bromomethyl)-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine