InChI=1S/C23H32N2O7S/c1-15(26)25-18-7-9-22(11-14-32-33(27,28)29)8-4-12-24-13-10-23(18,21(22)24)16-5-6-17(30-2)20(31-3)19(16)25/h5-6,18,21H,4,7-14H2,1-3H3,(H,27,28,29)