InChI=1/C15H20N4OS/c1-17-12-4-2-3-5-13(12)19(15(17)21)10-18-8-6-11(7-9-18)14(16)20/h2-5,11H,6-10H2,1H3,(H2,16,20)/p+1/fC15H21N4OS/h18H,16H2/q+1 E2B8C7D10E9C899F