InChI=1/C19H20N4O2S/c1-4-20-18(25)19-21-16(13-8-6-5-7-9-13)17(26-19)14-10-11-15(24)23(22-14)12(2)3/h5-12H,4H2,1-3H3,(H,20,25)/f/h20H 6C0FBFE873CE3905