InChI=1/C15H16N4O2S/c1-19-8-9-22-15(19)18-13(20)10-2-4-11(5-3-10)16-14(21)17-12-6-7-12/h2-5,8-9,12H,6-7H2,1H3,(H2,16,17,21)/f/h16-17H 82BF0933BC78F617