InChI=1/C14H12F6N2O2/c1-24-11-5-12(23)21-10-3-2-8(4-9(10)11)22(6-13(15,16)17)7-14(18,19)20/h2-5H,6-7H2,1H3,(H,21,23)/f/h21H 99CFDFADB2A6B57B