InChI=1S/C31H34O12/c1-13(2)5-7-15-9-17(10-16(23(15)33)8-6-14(3)4)19-11-18(32)22-20(41-19)12-21(24(34)25(22)35)42-31-28(38)26(36)27(37)29(43-31)30(39)40/h5-6,9-12,26-29,31,33-38H,7-8H2,1-4H3,(H,39,40)