InChI=1/C20H21N5O2S/c21-19(26)13-28-18-8-4-3-7-17(18)24-20(27)23-11-15-5-1-2-6-16(15)12-25-10-9-22-14-25/h1-10,14H,11-13H2,(H2,21,26)(H2,23,24,27)/f/h23-24H,21H2 D9E25A54164C9DCA