InChI=1/C22H22N2O7S2/c1-16-7-11-20(12-8-16)33(29,30)24-21(22(25)23-26)15-32(27,28)19-13-9-18(10-14-19)31-17-5-3-2-4-6-17/h2-14,21,24,26H,15H2,1H3,(H,23,25)/t21-/m0/s1/f/h23H 76F5BC06F6EDDBB2