InChI=1/C18H12ClF4N2O3/c19-10-7-5-9(6-8-10)15(26)13-14(11-3-1-2-4-12(11)20)24-16(27)25-17(13,28)18(21,22)23/h1-8,13-14H,(H2,24,25,27)/q-1/p+1/t13-,14+,17+/m1/s1/fC18H13ClF4N2O3/h24-25,27H/q 7999A5FC55A40494