InChI=1S/C21H12F3NO5/c22-21(23,24)11-4-1-5-12(10-11)25-15-8-2-6-13(19(26)27)17(15)30-18-14(20(28)29)7-3-9-16(18)25/h1-10H,(H,26,27)(H,28,29)