InChI=1S/C27H30F2O7S/c1-14-9-16-17-11-19(31)18-10-15(30)6-7-24(18,2)26(17,29)21(32)12-25(16,3)27(14,23(34)37-13-28)36-22(33)20-5-4-8-35-20/h4-8,10,14,16-17,19,21,31-32H,9,11-13H2,1-3H3/t14-,16+,17+,19-,21+,24+,25+,26+,27+/m1/s1