InChI=1S/C27H38O8/c1-2-3-4-5-6-7-8-9-10-11-14-20(28)17-16-19-13-12-15-21(18-19)34-27-24(31)22(29)23(30)25(35-27)26(32)33/h2,4-5,7-8,12-13,15,18,20,22-25,27-31H,1,3,6,9-11,14,16-17H2,(H,32,33)/b5-4+,8-7+