Davicil13108-52-6100 % similar Pentachloropyridine2176-62-744 % similar 2,3,5,6-Tetrachloro-4-pyridinethiol10351-06-138 % similar 2,4,5,6-Tetrachloropyrimidine1780-40-136 % similar 4-Chloro-2-(methylsulfonyl)pyrimidine97229-11-335 % similar 1-Chloro-4-(methylsulfonyl)benzene98-57-733 % similar 4,6-Dimethyl-2-(methylsulfonyl)pyrimidine35144-22-032 % similar