InChI=1S/C28H28O9/c1-23-11-18-25(3)28-20(23)27(22(32)37-28,34-12-16(23)19(30)35-18)15-8-7-13-5-4-6-17(29)24(13,2)14(15)9-10-26(28,33)21(31)36-25/h4-8,14-16,18,20,33H,9-12H2,1-3H3/t14?,15-,16+,18-,20-,23-,24+,25+,26-,27+,28+/m0/s1