InChI=1/C20H20ClN3O2/c1-24(2)18(14-8-3-5-9-16(14)21)12-22-20(26)15-11-19(25)23-17-10-6-4-7-13(15)17/h3-11,18H,12H2,1-2H3,(H,22,26)(H,23,25)/t18-/m1/s1/f/h22-23H A1DDF535AEA68D59