InChI=1S/C23H26N2O4/c1-22(2,3)15-10-16(23(4,5)29)19(26)11-18(15)25-21(28)14-12-24-17-9-7-6-8-13(17)20(14)27/h6-12,26,29H,1-5H3,(H,24,27)(H,25,28)