InChI=1/C18H20N2O4S/c21-18(17-5-2-12-24-17)19-8-10-20(11-9-19)25(22,23)16-7-6-14-3-1-4-15(14)13-16/h2,5-7,12-13H,1,3-4,8-11H2 3AD0AB74B3AE388D