1,3-benzenedicarbonitrile, 2,4,6-trichloro-5-hydroxy- 2,4,6-trichloro-5-hydroxyisophthalonitrile InChI=1/C8HCl3N2O/c9-5-3(1-12)6(10)8(14)7(11)4(5)2-13/h14