InChI=1/C17H21N5O3S/c1-20-7-9-21(10-8-20)18-11-12-15(23)19-17(26)22(16(12)24)13-5-3-4-6-14(13)25-2/h3-6,11,18H,7-10H2,1-2H3,(H,19,23,26)/b12-11+/f/h20H 3F52BF72EFFB14F6