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