InChI=1/C20H15ClN4O2/c21-15-7-3-1-5-12(15)11-25-16-8-4-2-6-13(16)20(19(25)27)9-17(26)23-18-14(20)10-22-24-18/h1-8,10H,9,11H2,(H2,22,23,24,26)/t20-/m0/s1/f/h24,26H 8C539D9DE356E35B