InChI=1/C21H21N3O6S/c1-13-20(14(2)30-23-13)21(25)22-15-4-6-16(7-5-15)24-31(26,27)17-8-9-18-19(12-17)29-11-3-10-28-18/h4-9,12,24H,3,10-11H2,1-2H3,(H,22,25)/f/h22H D3BED23460C8BC42