InChI=1/C17H20N4O2S/c1-8-12-10(6-17(2,3)7-11(12)22)18-13(8)14(23)19-16-21-20-15(24-16)9-4-5-9/h9,18H,4-7H2,1-3H3,(H,19,21,23)/f/h19H 638D3A8F2DBD9738