InChI=1S/C26H35NO7/c1-4-16-11-21(29)26(3)18(16)8-7-15(2)10-22(26)34-25(32)19-6-5-9-27(19)23(30)12-17-14-33-24(31)13-20(17)28/h7,11,17-19,22,24,31H,4-6,8-10,12-14H2,1-3H3/t17?,18?,19?,22-,24?,26-/m0/s1