InChI=1/C18H12Cl2N8O2/c1-27-8-10-14(25-27)23-17(24-18(29)21-9-4-5-11(19)12(20)7-9)28-16(10)22-15(26-28)13-3-2-6-30-13/h2-8H,1H3,(H2,21,23,24,25,29)/f/h21,24H 4A2D33B19A5EF20B