InChI=1/C21H22N2O7S/c1-29-14-4-3-5-19(21(25)26)23-31(27,28)18-12-8-16(9-13-18)22-20(24)15-6-10-17(30-2)11-7-15/h6-13,19,23H,5,14H2,1-2H3,(H,22,24)(H,25,26)/p-1/t19-/m0/s1/fC21H21N2O7S/h22H/q-1 8CA5E45DA08A16FE