InChI=1/C20H20ClN3O2/c1-24(2)18(13-7-3-5-9-15(13)21)12-22-20(26)17-11-19(25)14-8-4-6-10-16(14)23-17/h3-11,18H,12H2,1-2H3,(H,22,26)(H,23,25)/t18-/m1/s1/f/h22-23H A8B1C480B6ED4024