InChI=1/C15H20N4OS/c1-9-3-6-11-12(7-9)19-14(18-11)21-8-15(17-2,13(16)20)10-4-5-10/h3,6-7,10,17H,4-5,8H2,1-2H3,(H2,16,20)(H,18,19)/p+1/t15-/m0/s1/fC15H21N4OS/h17,19H,16H2/q+1 2911CB64B9ED566A