InChI=1/C20H18N2O5S/c1-13-4-5-22-18(8-13)21-14(9-19(22)23)11-27-20(24)12-28-15-2-3-16-17(10-15)26-7-6-25-16/h2-5,8-10H,6-7,11-12H2,1H3 D6BA28892CA132C5