InChI=1/C21H26N2O6S/c1-23-15-6-3-2-5-13(15)19(28)18(20(23)29)16(27)9-14(17-7-4-8-30-17)22-21(10-24,11-25)12-26/h2-8,13-15,22,24-26,28H,9-12H2,1H3/p-1/t13-,14-,15-/m1/s1/fC21H25N2O6S/h28h/q-1 85C313B872D5CDA1