InChI=1/C20H16N2O3S/c1-2-24-20(23)18-17(21)16-13(15-9-6-10-26-15)11-14(22-19(16)25-18)12-7-4-3-5-8-12/h3-11H,2,21H2,1H3 8C97953C8167F7BB