InChI=1S/C28H48O9/c1-15(6-7-16(14-29)23(2,3)34)17-12-20(31)28(37)24(17,4)11-9-19-25(5)10-8-18(30)22(33)27(25,36)21(32)13-26(19,28)35/h6-7,15-22,29-37H,8-14H2,1-5H3/b7-6+/t15-,16+,17-,18+,19-,20+,21+,22+,24-,25-,26+,27-,28+/m1/s1