InChI=1/C18H15F3N3O3S/c1-27-15-9-7-14(8-10-15)24-16(11-17(22-24)18(19,20)21)12-3-5-13(6-4-12)23-28(2,25)26/h3-11H,1-2H3/q-1 DB09F7EE5FF7CDAE