InChI=1S/C51H46O19/c52-23-7-1-4-20(14-23)44-31(57)19-30-38(58)36(34-28-12-10-26(55)17-32(28)66-45(39(34)59)21-5-2-8-24(53)15-21)48(69-51-43(63)41(61)42(62)49(70-51)50(64)65)37(47(30)68-44)35-29-13-11-27(56)18-33(29)67-46(40(35)60)22-6-3-9-25(54)16-22/h1-18,31,34-35,39-46,49,51-63H,19H2,(H,64,65)