2-[4-Chloro-6-(trifluoromethyl)pyrimidin-2-yl]pyridine4-Chloro-2-(pyridin-2-yl)-6-(trifluoromethyl)pyrimidine4-Chloro-2-(2-pyridinyl)-6-(trifluoromethyl)-pyrimidine4-chloro-2-(2-pyridinyl)-6-(trifluoromethyl)pyrimidine4-chloro-2-pyridin-2-yl-6-trifluoromethyl-pyrimidine