InChI=1S/C25H30O8/c1-6-31-21-10-8-17(12-23(21)30-5)25-19(14-32-15(2)26)18(13-33-25)24(27)16-7-9-20(28-3)22(11-16)29-4/h7-12,18-19,25H,6,13-14H2,1-5H3/t18-,19+,25-/m0/s1