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