InChI=1/C21H20N2O5S/c1-13(24)14-8-9-18(27-2)15(10-14)12-29-21-22-17-7-5-4-6-16(17)20(26)23(21)11-19(25)28-3/h4-10H,11-12H2,1-3H3 827F70EE49666ED7