InChI=1/C15H18N4O2S/c1-10(2)16-14(21)17-12-6-4-11(5-7-12)13(20)18-15-19(3)8-9-22-15/h4-10H,1-3H3,(H2,16,17,21)/f/h16-17H D67A9ED995A29F11