InChI=1/C19H19N5O2S/c1-12(2)27(25,26)24-16-10-14(8-9-15(16)23-19(24)20)18-17(21-11-22-18)13-6-4-3-5-7-13/h3-12H,1-2H3,(H2,20,23)(H,21,22)/f/h21H,20H2 39901B06AF3344F5