InChI=1S/C22H34N2O3/c1-20(2,27)24-19(26)16-7-6-14-13-5-8-17-22(4,12-10-18(25)23-17)15(13)9-11-21(14,16)3/h10,12-17,27H,5-9,11H2,1-4H3,(H,23,25)(H,24,26)