InChI=1/C20H26N4OS/c1-16-9-6-7-10-17(16)15-19(25)22-23-20(26)21-13-8-14-24(2)18-11-4-3-5-12-18/h3-7,9-12H,8,13-15H2,1-2H3,(H,22,25)(H2,21,23,26)/f/h21-23H 51DF86FBAB54C6EC