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