InChI=1S/C28H38O6/c1-7-17(2)12-19(4)13-18(3)8-11-26(31)34-25-10-9-22(27(32)33)28(6)15-21(20(5)16-29)24(30)14-23(25)28/h8,11,13-14,16-17,19,21-22,25H,5,7,9-10,12,15H2,1-4,6H3,(H,32,33)/b11-8+,18-13+/t17?,19?,21-,22-,25-,28-/m1/s1