InChI=1S/C28H28O16/c29-18-12-3-2-11(6-15(12)38-7-13(18)10-1-4-14-16(5-10)41-9-40-14)42-28-24(35)20(31)19(30)17(43-28)8-39-27-23(34)21(32)22(33)25(44-27)26(36)37/h1-7,17,19-25,27-28,30-35H,8-9H2,(H,36,37)