InChI=1/C21H24N6O4S/c1-2-31-19-7-3-17(4-8-19)23-21(28)16-11-13-26(14-12-16)32(29,30)20-9-5-18(6-10-20)27-15-22-24-25-27/h3-10,15-16H,2,11-14H2,1H3,(H,23,28)/f/h23H 6E4E41B46D073116