InChI=1S/C38H62O18/c1-6-38(5,56-37-31(48)28(45)32(23(17-40)53-37)54-36-30(47)26(43)27(44)33(55-36)34(49)50)15-9-14-20(3)11-7-10-19(2)12-8-13-21(4)18-51-35-29(46)25(42)24(41)22(16-39)52-35/h6,10,13-14,22-33,35-37,39-48H,1,7-9,11-12,15-18H2,2-5H3,(H,49,50)/b19-10-,20-14+,21-13+