InChI=1/C21H18N4OS/c1-15(16-7-5-11-22-13-16)23-21(26)18-14-25(17-8-3-2-4-9-17)24-20(18)19-10-6-12-27-19/h2-15H,1H3,(H,23,26)/t15-/m0/s1/f/h23H 38B3485A578D46B9