InChI=1S/C15H9F19O3/c1-2-6(36)37-4-5(35)3-7(16,17)9(19,20)11(23,24)13(27,28)12(25,26)10(21,22)8(18,14(29,30)31)15(32,33)34/h2,5,35H,1,3-4H2