InChI=1/C13H14F2N2O4/c14-9-6-10(15)11(17(20)21)5-8(9)12(19)16-13(7-18)3-1-2-4-13/h5-6,18H,1-4,7H2,(H,16,19)/f/h16H	A5F9CB3D7C74B372