InChI=1/C15H18F2N2O2/c1-4-9-18-14(20)11(2)19(3)10-12-5-7-13(8-6-12)21-15(16)17/h1,5-8,11,15H,9-10H2,2-3H3,(H,18,20)/t11-/m0/s1/f/h18H AD186A58E3D45BE4