InChI=1S/C33H50N2O9/c1-16-7-12-33(35(15-16)34-41)17(2)24-23(44-33)14-22-20-6-5-18-13-19(8-10-31(18,3)21(20)9-11-32(22,24)4)42-30-27(38)25(36)26(37)28(43-30)29(39)40/h16,18-28,30,36-38H,2,5-15H2,1,3-4H3,(H,39,40)