InChI=1/C21H28N2O3/c1-21(2,3)17-10-16(19(25)18(24)11-17)13-23(5)12-14-6-8-15(9-7-14)20(26)22-4/h6-11,24-25H,12-13H2,1-5H3,(H,22,26)/p+1/fC21H29N2O3/h22-23H/q+1 2B2EE4F83861E8CC