InChI=1S/C28H28O15/c1-9-18(31)19(32)21(34)25(40-9)17-13(30)8-15-16(12(29)7-14(41-15)10-4-3-5-11(6-10)39-2)24(17)42-28-23(36)20(33)22(35)26(43-28)27(37)38/h3-9,19-23,25-26,28,30,32-36H,1-2H3,(H,37,38)