InChI=1/C14H11F3N2O2/c15-14(16,17)13(6-5-8-1-2-8)10-7-9(18)3-4-11(10)19-12(20)21-13/h3-4,7-8H,1-2,18H2,(H,19,20)/t13-/m0/s1/f/h19H 777EE8625FEB49E1