InChI=1/C20H21N5O4S/c1-14-8-16(28-13-20(6-7-20)12-24-25-19(22)23)10-17(9-14)29-30(26,27)18-5-3-2-4-15(18)11-21/h2-5,8-10,12H,6-7,13H2,1H3,(H4,22,23,25)/b24-12+/f/h22-23H2 516277D6E38D2A1F