InChI=1/C15H18N4OS/c1-19-13(17-18-15(19)21)8-9-16-14(20)12-7-6-10-4-2-3-5-11(10)12/h2-5,12H,6-9H2,1H3,(H,16,20)(H,18,21)/t12-/m0/s1/f/h16,18H F4FD3CF45E9D73CD