InChI=1/C21H24N2O3/c1-21(2,3)15-11-9-14(10-12-15)20(25)23-13-18(19(24)22-4)26-17-8-6-5-7-16(17)23/h5-12,18H,13H2,1-4H3,(H,22,24)/t18-/m1/s1/f/h22H C42D6D00AAACE2EB