InChI=1S/C31H55F7O15/c1-40-2-3-41-4-5-42-6-7-43-8-9-44-10-11-45-12-13-46-14-15-47-16-17-48-18-19-49-20-21-50-22-23-51-24-25-52-26-27-53-28(39)29(32,33)30(34,35)31(36,37)38/h2-27H2,1H3