InChI=1S/C30H30O12/c1-13(12-31)20(33)19-25-15(9-10-30(2,3)42-25)24-18(16(11-17(32)39-24)14-7-5-4-6-8-14)26(19)40-29-23(36)21(34)22(35)27(41-29)28(37)38/h4-11,13,21-23,27,29,31,34-36H,12H2,1-3H3,(H,37,38)