InChI=1S/C28H40F14O13/c29-23(30,25(33,34)27(37,38)39)21(43)54-19-17-52-15-13-50-11-9-48-7-5-46-3-1-45-2-4-47-6-8-49-10-12-51-14-16-53-18-20-55-22(44)24(31,32)26(35,36)28(40,41)42/h1-20H2