InChI=1S/C16H18FN3O8/c17-9-3-7(1-2-8(9)10(21)4-20-6-18-5-19-20)27-16-13(24)11(22)12(23)14(28-16)15(25)26/h1-3,5-6,10-14,16,21-24H,4H2,(H,25,26)/t10?,11-,12-,13+,14-,16?/m0/s1