InChI=1S/C21H24N4O4S/c1-4-25(5-2)30(28,29)16-12-10-15(11-13-16)22-21(27)23-19-14-24(3)20(26)18-9-7-6-8-17(18)19/h6-14H,4-5H2,1-3H3,(H2,22,23,27)