InChI=1S/C32H36O18/c1-44-15-7-11(3-5-13(15)34)18-19(21-20(18)29(41)46-10-32(43)27(38)25(48-30(21)42)17(9-33)50-32)12-4-6-14(16(8-12)45-2)47-31-24(37)22(35)23(36)26(49-31)28(39)40/h3-8,17-27,31,33-38,43H,9-10H2,1-2H3,(H,39,40)