InChI=1/C19H19N5O2S/c1-13(25)21-15-8-5-9-16(10-15)22-18(26)12-27-19-23-17(11-24(19)20)14-6-3-2-4-7-14/h2-11H,12,20H2,1H3,(H,21,25)(H,22,26)/f/h21-22H 89C430BFA295E6F3