InChI=1/C21H21FN2O6/c22-12-17(25)16(11-18(26)27)23-20(28)19(15-9-5-2-6-10-15)24-21(29)30-13-14-7-3-1-4-8-14/h1-10,16,19H,11-13H2,(H,23,28)(H,24,29)(H,26,27)/p-1/t16-,19-/m0/s1/fC21H20FN2O6/h23-24H/q-1 54E3E4BD2B3952E6