InChI=1S/C33H38O21/c34-6-9-4-11-17(13(5-9)50-31-25(44)21(40)19(38)14(7-35)51-31)20(39)16-10(18(11)37)2-1-3-12(16)49-32-27(46)24(43)28(15(8-36)52-32)53-33-26(45)22(41)23(42)29(54-33)30(47)48/h1-5,14-15,19,21-29,31-36,38,40-46H,6-8H2,(H,47,48)