InChI=1/C21H20Cl2N4O/c1-28-16-5-2-13(3-6-16)14-9-25-21(26-10-14)27-11-18(20(24)12-27)17-7-4-15(22)8-19(17)23/h2-10,18,20H,11-12,24H2,1H3/p+1/t18-,20-/m0/s1/fC21H21Cl2N4O/h24H/q+1 32132A4180789DCB