6-Hydroxy-2-nitro-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
5-(Difluoromethyl)-2-hydroxy-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
2-Hydroxy-5-nitro-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
Ethyl 3-hydroxy-5-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-2-acetate