InChI=1/C21H16ClNOS/c1-21(16-7-3-2-4-8-16)18-13-15(14-6-5-9-17(22)12-14)10-11-19(18)23-20(25)24-21/h2-13H,1H3,(H,23,25)/t21-/m0/s1/f/h23H FB6603F386F995BD