InChI=1S/C37H46O21/c1-49-20-8-14(7-16-10-18(55-32(16)20)15-4-5-17-19(9-15)54-13-53-17)3-2-6-50-35-29(44)25(40)23(38)21(56-35)11-51-36-30(45)26(41)24(39)22(57-36)12-52-37-31(46)27(42)28(43)33(58-37)34(47)48/h4-5,7-10,21-31,33,35-46H,2-3,6,11-13H2,1H3,(H,47,48)