InChI=1/C14H19N5OS/c1-4-18(5-2)12-7-6-11(13(20)8-12)9-15-19-10(3)16-17-14(19)21/h6-9,20H,4-5H2,1-3H3,(H,17,21)/b15-9+/f/h17H 48B45E4398E4364F