InChI=1/C19H18N2O3S/c1-2-23-18(22)11-24-15-5-3-4-12(9-15)13-6-7-16-14(8-13)10-17(25-16)19(20)21/h3-10H,2,11H2,1H3,(H3,20,21)/p+1/fC19H19N2O3S/h20-21H2/q+1 AA1A57ECF7AC5D23