3-Hydroxy-6-methyl-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
3-(Difluoromethyl)-4-hydroxy-6-methyl-2-(trifluoromethoxy)pyridine
5-Hydroxy-2-methyl-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
4-Hydroxy-5-methyl-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine