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