InChI=1/C20H23N3O2S/c1-2-3-5-13-18(24)23-20(26)22-17-12-8-9-15(14-17)19(25)21-16-10-6-4-7-11-16/h4,6-12,14H,2-3,5,13H2,1H3,(H,21,25)(H2,22,23,24,26)/f/h21-23H 8B53E72341523F9B