InChI=1/C20H16N2O3S/c23-19(21-14-8-9-15-16(10-14)25-11-24-15)18-17(12-4-2-1-3-5-12)22-20(26-18)13-6-7-13/h1-5,8-10,13H,6-7,11H2,(H,21,23)/f/h21H 8DE63647E99945A4