InChI=1/C20H20N4O3S/c21-20(22)16-7-5-14(6-8-16)12-23-19(25)13-24-28(26,27)18-10-9-15-3-1-2-4-17(15)11-18/h1-11,24H,12-13H2,(H3,21,22)(H,23,25)/p+1/fC20H21N4O3S/h23H,21-22H2/q+1 31144B25474D3A58