InChI=1S/C31H32O18/c1-11(33)43-26-20(10-32)48-31(25(40)27(26)44-12(2)34)45-15-7-18-21(16(36)9-17(46-18)13-3-5-14(35)6-4-13)19(8-15)47-30-24(39)22(37)23(38)28(49-30)29(41)42/h3-9,20,22-28,30-32,35,37-40H,10H2,1-2H3,(H,41,42)