InChI=1/C15H15FN2O2S/c16-15-4-2-1-3-13(15)11-18-10-9-12-5-7-14(8-6-12)21(17,19)20/h1-8,11H,9-10H2,(H2,17,19,20)/p+1/b18-11+/fC15H16FN2O2S/h18H,17H2/q+1 A89B40CF2AFCCC06