InChI=1/C20H20N2O4S/c1-25-17-13-18(26-12-11-22-16-7-9-21-10-8-16)15-20(14-17)27(23,24)19-5-3-2-4-6-19/h2-10,13-15H,11-12H2,1H3,(H,21,22)/p+1/fC20H21N2O4S/h21-22H/q+1 2CD404B007B48D5E