InChI=1/C20H13ClN2O2/c21-16-7-5-12(6-8-16)15-9-17-18(11-23-19(17)22-10-15)13-1-3-14(4-2-13)20(24)25/h1-10H,11H2,(H,24,25)/f/h23H B80EDEB9D0404E93