2-Chloro-5-(trifluoromethyl)pyrazine799557-87-230 % similar 5,7-Bis(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carbonitrile175276-40-130 % similar 4-Chloro-2-(pyridin-4-yl)-6-(trifluoromethyl)pyrimidine204394-70-730 % similar 2,4,6-Tri-tert-butylpyrimidine67490-21-530 % similar 4-Chloro-2,8-bis(trifluoromethyl)quinoline83012-13-930 % similar