InChI=1/C25H26N2O5S/c1-17-9-8-12-23(18(17)2)26-33(30,31)22-15-13-20(14-16-22)25(29)32-19(3)24(28)27(4)21-10-6-5-7-11-21/h5-16,19,26H,1-4H3/t19-/m0/s1 8822A1A61D6D14A2