InChI=1/C16H20N4OS/c17-8-12-1-3-13(4-2-12)9-18-14-7-15(19-10-14)16(21)20-5-6-22-11-20/h1-4,14-15,18-19H,5-7,9-11H2/t14-,15-/m0/s1 55BD9D4D3536A871