InChI=1/C19H20N6O2S/c1-12-7-8-15(9-13(12)2)21-17(27)11-28-19-22-18(24-25-19)23-20-10-14-5-3-4-6-16(14)26/h3-10,26H,11H2,1-2H3,(H,21,27)(H2,22,23,24,25)/b20-10+/f/h21,23-24H E079EA5E621B2F81