InChI=1/C11H7F2NO3/c1-4-8(11(16)17)14-9-6(10(4)15)2-5(12)3-7(9)13/h2-3H,1H3,(H,14,15)(H,16,17)/p-1/fC11H6F2NO3/h14H/q-1 64CA198EC6A4AB87