InChI=1S/C15H22N4O4S/c1-4-8-17-14(20)15(2,3)9-23-11-7-5-6-10-12(11)13(16)19-24(21,22)18-10/h5-7,18H,4,8-9H2,1-3H3,(H2,16,19)(H,17,20)