InChI=1/C20H20ClN3O2/c1-26-20(25)23-10-9-18(14-23)24(13-15-5-3-2-4-6-15)17-8-7-16(12-22)19(21)11-17/h2-8,11,18H,9-10,13-14H2,1H3/t18-/m0/s1 0E0E9EF7FD08EA0D