InChI=1/C20H18Cl2N4O2/c1-10-11(8-9-27)12-6-7-15-18(16(12)19(28)23-10)26(2)20(24-15)25-17-13(21)4-3-5-14(17)22/h3-7,27H,8-9H2,1-2H3,(H,23,28)(H,24,25)/p+1/fC20H19Cl2N4O2/h23-25H/q+1 079747D50E60658F