InChI=1/C18H16N2O3S/c1-2-7-13(21)16-15(12-8-4-3-5-9-12)19-18(24-16)20-17(22)14-10-6-11-23-14/h3-6,8-11H,2,7H2,1H3,(H,19,20,22)/f/h20H C8DF74BBED3FE026