InChI=1/C14H15ClN4OS/c1-2-3-9-7-12(20)19-14(18-9)21-11-5-4-8(15)6-10(11)13(16)17/h4-7H,2-3H2,1H3,(H3,16,17)(H,18,19,20)/f/h16-17H2 EC58EF2D8114EEDC