InChI=1S/C22H26N2O9S/c1-23-12(9-11-5-7-14(31-2)17(32-3)16(11)27)19(28)24-22(34-4,20(23)29)10-21(30)15(26)8-6-13(25)18(21)33-24/h5-9,13,15,18,25-27,30H,10H2,1-4H3/b12-9-/t13-,15-,18+,21+,22-/m1/s1