InChI=1/C20H14Cl2N4O2/c1-26-18-11(8-14(19(26)28)17-15(21)6-3-7-16(17)22)10-23-20(25-18)24-12-4-2-5-13(27)9-12/h2-10,27H,1H3,(H,23,24,25)/f/h24H F0D0D6B9B5B8B8F5