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