InChI=1/C20H26N4O4S/c1-3-22(13-16-7-5-8-17(11-16)24(27)28)15-20(26)23(4-2)14-19(25)21-12-18-9-6-10-29-18/h5-11H,3-4,12-15H2,1-2H3,(H,21,25)/f/h21H 946ACD8542D61BA9