InChI=1/C20H15ClN4O/c21-15-5-7-16(8-6-15)24-20(26)17-4-2-1-3-14(17)11-25-10-9-18-19(12-25)23-13-22-18/h1-10,12-13H,11H2,(H,24,26)/p+1/fC20H16ClN4O/h22,24H/q+1 6BA13D249B64B71A