InChI=1/C21H26N2O6S/c1-28-17-6-8-19(9-7-17)30(26,27)21(20(24)22-25)10-12-23(13-11-21)15-16-4-3-5-18(14-16)29-2/h3-9,14,25H,10-13,15H2,1-2H3,(H,22,24)/p+1/fC21H27N2O6S/h22-23H/q+1 33357BE33F79AD87