InChI=1/C16H20N4O3S/c1-11-3-5-13(6-4-11)16-17-15(23-20-16)9-12(2)18-19-14-7-8-24(21,22)10-14/h3-6,14,19H,7-10H2,1-2H3/b18-12+/t14-/m1/s1 9225872D35A8273E