InChI=1/C14H14N2O3S/c15-20(18,19)14-7-3-12(4-8-14)10-16-9-11-1-5-13(17)6-2-11/h1-9,17H,10H2,(H2,15,18,19)/f/h15H2 F4C1C0FC18DF9DE0