InChI=1/C15H20N4O2S/c16-19-13(21)12(20)18-14-17-11(7-22-14)15-4-8-1-9(5-15)3-10(2-8)6-15/h7-10H,1-6,16H2,(H,19,21)(H,17,18,20)/f/h18-19H 49824409D9F9D920