InChI=1/C20H20N2O3S/c1-2-17-18(23)21-20(24)22(14-25-13-15-9-5-3-6-10-15)19(17)26-16-11-7-4-8-12-16/h3-12H,2,13-14H2,1H3,(H,21,23,24)/f/h21H EA6DF0BAFF7180A9