InChI=1S/C23H32N2O4/c26-15-18-12-17(20-7-4-8-22(27)24-20)14-25-10-9-19(13-21(18)25)29-23(28)11-16-5-2-1-3-6-16/h1-3,5-6,17-21,26H,4,7-15H2,(H,24,27)