InChI=1/C18H20N8OS/c1-12-5-3-4-6-15(12)21-16(27)11-28-18-25-24-17(26(18)19)23-22-13(2)14-7-9-20-10-8-14/h3-10H,11,19H2,1-2H3,(H,21,27)(H,23,24)/b22-13+/f/h21,23H 209612899B16C039