InChI=1/C20H26N4O3S/c1-5-6-21-17(26)10-24-16(11-25)9-22-20(24)28-12-18(27)23-19-14(3)7-13(2)8-15(19)4/h5,7-9,25H,1,6,10-12H2,2-4H3,(H,21,26)(H,23,27)/f/h21,23H 6B19555D7C8A416E