InChI=1/C16H16N6S2/c23-15(19-13-7-3-1-4-8-13)21-17-11-12-18-22-16(24)20-14-9-5-2-6-10-14/h1-12H,(H2,19,21,23)(H2,20,22,24)/b17-11-,18-12+/f/h19-22H D32724B54590B561