InChI=1S/C25H28O7/c1-13-14(2)24-19(29)30-16(4)25(24,18(13)28)32-23(12-26)15(3)22(11-10-21(23,24)7)9-8-17(27)31-20(22,5)6/h8-9,12,16H,3,10-11H2,1-2,4-7H3/t16-,21+,22+,23-,24+,25-/m1/s1