InChI=1/C21H18FNO3/c1-15(25-19-9-7-18(22)8-10-19)21(24)26-20(16-5-3-2-4-6-16)17-11-13-23-14-12-17/h2-15,20H,1H3/t15-,20+/m0/s1 FF4B31B9C2E409E8