InChI=1S/C22H24N2O5S/c1-14(2)15-9-11-17(12-10-15)30(27,28)13-18-19(21(25)29-3)20(24-22(26)23-18)16-7-5-4-6-8-16/h4-12,14,20H,13H2,1-3H3,(H2,23,24,26)