InChI=1/C15H18N4S/c1-9-7-10(2)19(18-9)15-12(14(16)20)8-11-5-3-4-6-13(11)17-15/h7-8H,3-6H2,1-2H3,(H2,16,20)/f/h16H2 E6B8B8FBD6E8C4AD