InChI=1/C15H18F4N2O4S/c1-4-25-12(22)10-8-5-6-21(2)7-9(8)26-11(10)20-13(23)14(16,24-3)15(17,18)19/h4-7H2,1-3H3,(H,20,23)/t14-/m0/s1/f/h21H 1340AD6F421C2701