InChI=1S/C14H20N4O4S/c1-11(19)18-7-5-17(6-8-18)10-14(20)16-12-3-2-4-13(9-12)23(15,21)22/h2-4,9H,5-8,10H2,1H3,(H,16,20)(H2,15,21,22)