InChI=1/C11H11F4N3O2/c12-8-2-1-6(5-7(8)11(13,14)15)18-10(20)9(19)17-4-3-16/h1-2,5H,3-4,16H2,(H,17,19)(H,18,20)/p+1/fC11H12F4N3O2/h16-18H/q+1 C516D621E10DDE39