InChI=1S/C26H36N2O4/c1-19(2)26(18-27,21-9-11-24(31-5)25(17-21)32-6)13-7-14-28(3)15-12-20-8-10-23(30-4)22(29)16-20/h8-11,16-17,19,29H,7,12-15H2,1-6H3