3-Amino-5-(difluoromethyl)-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
6-Amino-2-(difluoromethyl)-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
4-Bromo-5-fluoro-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
4-Bromo-2-fluoro-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine