InChI=1S/C25H30O8/c1-12-8-15-9-18-23(32-11-31-18)24(29-6)19(15)20-16(21(13(12)2)33-14(3)26)10-17(27-4)22(28-5)25(20)30-7/h9-10,12-13,21H,8,11H2,1-7H3/t12-,13-,21+/m0/s1