InChI=1/C15H16FN2O4S2/c1-3-23(19,20)18-15-8-7-13(9-11(15)2)17-24(21,22)14-6-4-5-12(16)10-14/h4-10,17H,3H2,1-2H3/q-1 B6BD5EF3DFD4D236