InChI=1S/C30H32O19/c31-8-18-22(39)24(41)25(42)29(47-18)49-28-23(40)19(9-44-21(38)7-20(36)37)48-30(26(28)43)46-17-6-12-14(34)4-11(32)5-16(12)45-27(17)10-1-2-13(33)15(35)3-10/h1-6,18-19,22-26,28-31,39-43H,7-9H2,(H4-,32,33,34,35,36,37)/p+1/t18-,19-,22-,23-,24+,25-,26-,28+,29+,30-/m1/s1