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