InChI=1/C18H13F3N2O3/c1-25-14-7-2-4-10-8-13(16(22)26-15(10)14)17(24)23-12-6-3-5-11(9-12)18(19,20)21/h2-9,22H,1H3,(H,23,24)/p+1/fC18H14F3N2O3/h22-23H/q+1 0613F1CB9E03D4B1