InChI=1S/C32H34O18/c1-12(33)44-11-21-28(46-13(2)34)25(38)27(40)32(49-21)48-20-9-18-16(8-19(20)43-3)22(35)17(10-45-18)14-4-6-15(7-5-14)47-31-26(39)23(36)24(37)29(50-31)30(41)42/h4-10,21,23-29,31-32,36-40H,11H2,1-3H3,(H,41,42)