InChI=1S/C31H34O13/c1-13(2)5-4-7-31(3)8-6-15-18(44-31)12-21(42-30-27(38)25(36)26(37)28(43-30)29(39)40)23(24(15)35)20-11-17(34)22-16(33)9-14(32)10-19(22)41-20/h5-6,8-10,12,20,25-28,30,32-33,35-38H,4,7,11H2,1-3H3,(H,39,40)