InChI=1/C15H20N4OS/c1-10-7-5-6-8-11(10)15(2,3)13(20)16-9-12-17-18-14(21)19(12)4/h5-8H,9H2,1-4H3,(H,16,20)(H,18,21)/f/h16,18H D265D834516CACA0