InChI=1/C20H20F6N2O3/c21-19(22,23)18(20(24,25)26,27-17(29)16-9-5-11-31-16)28(13-15-8-4-10-30-15)12-14-6-2-1-3-7-14/h1-3,5-7,9,11,15H,4,8,10,12-13H2,(H,27,29)/t15-/m1/s1/f/h27H C9D4F0C81ECE34E5