InChI=1S/C40H38O15/c1-17-10-25(23-9-7-22(16-29(23)45)54-40-37(51)35(49)36(50)38(55-40)39(52)53)32(34(48)24-8-6-21(42)15-28(24)44)26(11-17)33-30(46)12-18(13-31(33)47)2-3-19-4-5-20(41)14-27(19)43/h2-9,11-16,25-26,32,35-38,40-47,49-51H,10H2,1H3,(H,52,53)/b3-2+