InChI=1/C21H24N2O/c1-2-3-9-21-10-8-18(24)19(13-4-5-13)20(21)14-6-7-17-16(12-22-23-17)15(14)11-21/h6-7,12-13H,2-5,8-11H2,1H3,(H,22,23)/t21-/m0/s1/f/h22H F6AB500F9272BE95