InChI=1/C16H19N5O3S/c1-21(2)14-8-4-12(5-9-14)18-19-13-6-10-15(11-7-13)25(22,23)20-16(17)24-3/h4-11H,1-3H3,(H2,17,20)/f/h17H2 87849CEB13B064C6