InChI=1/C22H24N2O2/c1-16(18-10-5-3-6-11-18)24-22(25)17(2)23-21(20-14-9-15-26-20)19-12-7-4-8-13-19/h3-17,21,23H,1-2H3,(H,24,25)/t16-,17+,21+/m1/s1/f/h24H A51E2F7D6314A6F2