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