InChI=1/C20H13ClN4O3/c21-13-4-5-16-19(27-11-26-16)18(13)25-20-17-14(23-10-24-20)2-1-3-15(17)28-12-6-8-22-9-7-12/h1-10H,11H2,(H,23,24,25)/p+1/fC20H14ClN4O3/h22,25H/q+1 DFAC6836BC5DBBDD