InChI=1/C22H20F2N4O/c1-13-20-8-14(3-5-22(20)28-27-13)16-7-19(11-26-10-16)29-12-18(25)6-15-2-4-17(23)9-21(15)24/h2-5,7-11,18H,6,12,25H2,1H3,(H,27,28)/p+1/t18-/m0/s1/fC22H21F2N4O/h25,28H/q+1 ED7952C2D3AFB26F