InChI=1/C20H16N2O2S2/c1-2-20(18-4-3-7-25-18)16-9-13(14-8-15(10-21)26-12-14)5-6-17(16)22-19(23)11-24-20/h3-9,12H,2,11H2,1H3,(H,22,23)/t20-/m0/s1/f/h22H 1DFEF4A3BFDD487B