InChI=1S/C20H10F14N2O3/c21-15(22,17(25,26)19(29,30)31)13(37)35-9-1-5-11(6-2-9)39-12-7-3-10(4-8-12)36-14(38)16(23,24)18(27,28)20(32,33)34/h1-8H,(H,35,37)(H,36,38)