InChI=1S/C13H19N5OS/c1-20-6-9-4-18(5-10(9)19)3-8-2-15-12-11(8)16-7-17-13(12)14/h2,7,9-10,15,19H,3-6H2,1H3,(H2,14,16,17)/t9-,10+/m1/s1