InChI=1/C18H12F3NO3/c1-24-13-4-2-3-9-8-25-17-10(15(9)13)5-6-12-16(17)11(18(19,20)21)7-14(23)22-12/h2-7H,8H2,1H3,(H,22,23)/f/h22H B4C2E53E4BCB981B