InChI=1/C18H14F6N2O5/c1-3-31-15-8-13(26(28)29)12(7-14(15)30-2)16(27)25-11-5-9(17(19,20)21)4-10(6-11)18(22,23)24/h4-8H,3H2,1-2H3,(H,25,27)/f/h25H D3F5810E8D1DDB10