InChI=1S/C30H30O19/c31-11-3-1-10(2-4-11)14-7-13(32)20-15(46-14)5-12(6-16(20)47-30-26(41)23(38)24(39)27(49-30)28(42)43)45-29-25(40)22(37)21(36)17(48-29)9-44-19(35)8-18(33)34/h1-7,17,21-27,29-31,36-41H,8-9H2,(H,33,34)(H,42,43)