InChI=1/C18H16N2O3S2/c21-17(13-8-9-25(22,23)11-13)19-14-5-3-4-12(10-14)18-20-15-6-1-2-7-16(15)24-18/h1-7,10,13H,8-9,11H2,(H,19,21)/t13-/m1/s1/f/h19H E51313C78EE5C27E