InChI=1/C27H30O15/c28-8-17-19(32)21(34)23(36)26(41-17)39-15-6-12(31)5-14-13(15)7-16(25(38-14)10-1-3-11(30)4-2-10)40-27-24(37)22(35)20(33)18(9-29)42-27/h1-7,17-24,26-29,32-37H,8-9H2,(H-,30,31)/p+1/t17-,18-,19-,20-,21+,22+,23-,24-,26-,27-/s2