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