InChI=1/C20H26ClN3O2/c21-15-5-6-17-14(12-15)4-7-18(17)23-20(26)24-10-8-16(9-11-24)22-19(25)13-2-1-3-13/h5-6,12-13,16,18H,1-4,7-11H2,(H,22,25)(H,23,26)/t18-/m0/s1/f/h22-23H BB9A5F51FCFECECB