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