InChI=1S/C53H56O27/c1-70-33-14-23(4-9-28(33)57)6-12-40(61)72-20-37-42(63)45(66)48(69)52(78-37)80-50-46(67)43(64)38(21-73-39(60)11-5-22-3-8-27(56)30(59)13-22)79-53(50)76-35-18-26-31(74-49(35)24-7-10-29(58)34(15-24)71-2)16-25(55)17-32(26)75-51-47(68)44(65)41(62)36(19-54)77-51/h3-18,36-38,41-48,50-54,62-69H,19-21H2,1-2H3,(H4-,55,56,57,58,59,60,61)/p+1