InChI=1S/C38H40O17/c1-17-31(44)32(45)28(15-39)54-37(17)52-25-13-21(41)12-24-22(25)14-27(36(51-24)19-6-9-23(42)26(11-19)49-2)53-38-35(48)34(47)33(46)29(55-38)16-50-30(43)10-5-18-3-7-20(40)8-4-18/h3-14,17,28-29,31-35,37-39,44-48H,15-16H2,1-2H3,(H2-,40,41,42,43)/p+1/t17?,28?,29-,31-,32-,33-,34+,35-,37-,38-/m1/s1