InChI=1S/C32H38O17/c1-43-16-7-12(3-5-14(16)35)20-21(13-4-6-15(36)17(8-13)44-2)23-22(20)29(41)45-11-32(28(40)27(47-30(23)42)19(10-34)48-32)49-31-26(39)25(38)24(37)18(9-33)46-31/h3-8,18-28,31,33-40H,9-11H2,1-2H3