InChI=1/C18H13F2NO7/c1-2-27-17(23)11-5-12(7-13(6-11)21(25)26)18(24)28-9-16(22)10-3-4-14(19)15(20)8-10/h3-8H,2,9H2,1H3 05C843CD823308B0