InChI=1/C21H28N4O2S/c1-13-9-10-14(2)17(11-13)22-19(26)12-18-20(27)23-21(28-18)25-24-15(3)16-7-5-4-6-8-16/h9-11,16,18H,4-8,12H2,1-3H3,(H,22,26)(H,23,25,27)/b24-15+/t18-/m1/s1/f/h22-23H/b24-15+,25-21- AC3A8998FB31364D