InChI=1/C22H24N2O3/c1-14(2)16-8-10-17(11-9-16)15(3)23-20(25)12-13-24-21(26)18-6-4-5-7-19(18)22(24)27/h4-11,14-15H,12-13H2,1-3H3,(H,23,25)/t15-/m1/s1/f/h23H 93E6B7A4005280D9