InChI=1S/C22H26N2O5/c25-18-8-3-16(4-9-18)5-11-21(28)23-13-1-2-14-24-22(29)12-7-17-6-10-19(26)15-20(17)27/h3-4,6-10,12,15,25-27H,1-2,5,11,13-14H2,(H,23,28)(H,24,29)