InChI=1S/C27H28O12/c1-3-35-21(28)11-22(29)37-13-20-24(31)25(32)26(33)27(39-20)38-16-8-9-17-19(10-16)36-12-18(23(17)30)14-4-6-15(34-2)7-5-14/h4-10,12,20,24-27,31-33H,3,11,13H2,1-2H3/t20-,24-,25+,26-,27-/m0/s1