InChI=1S/C30H30O20/c31-9-4-12(33)10-6-15(24(47-14(10)5-9)8-1-2-11(32)13(34)3-8)48-30-23(40)19(36)18(35)16(49-30)7-46-29(45)17(27(41)42)25-21(38)20(37)22(39)26(50-25)28(43)44/h1-6,16-23,25-26,30,35-40H,7H2,(H5-,31,32,33,34,41,42,43,44)/p+1