InChI=1/C20H18N2O3S/c21-17-13-9-11-3-1-2-4-14(11)22-20(13)26-19(17)18(23)12-5-6-15-16(10-12)25-8-7-24-15/h5-6,9-10H,1-4,7-8,21H2 30B5B8A418304A4F