InChI=1S/C27H30O15/c28-6-9-4-11-17(13(5-9)40-27-25(38)23(36)20(33)15(8-30)42-27)21(34)16-10(18(11)31)2-1-3-12(16)39-26-24(37)22(35)19(32)14(7-29)41-26/h1-5,14-15,19-20,22-30,32-33,35-38H,6-8H2