InChI=1/C21H26N2O6S/c1-28-17-7-9-19(10-8-17)30(26,27)21(20(24)22-25)11-13-23(14-12-21)15-16-29-18-5-3-2-4-6-18/h2-10,25H,11-16H2,1H3,(H,22,24)/p+1/fC21H27N2O6S/h22-23H/q+1 947F2E67CD3CBE53