InChI=1/C18H16N2OS/c19-10-14-8-13(11-21-14)12-4-5-16-15(9-12)18(17(22)20-16)6-2-1-3-7-18/h4-5,8-9,11H,1-3,6-7H2,(H,20,22)/f/h20H 40FE70E623ADF921