InChI=1/C22H22N2O6S/c1-29-17-11-13-18(14-12-17)31(27,28)24(15-16-7-4-3-5-8-16)21-19(22(25)23-26)9-6-10-20(21)30-2/h3-14,26H,15H2,1-2H3,(H,23,25)/f/h23H A2A43616B1996892