InChI=1S/C19H24N2O7S2/c1-21(2)12-11-20-15-5-3-4-6-16(15)29-18(13-7-9-14(22)10-8-13)17(19(23)24)28-30(25,26)27/h3-10,17-18,20,22H,11-12H2,1-2H3,(H,23,24)(H,25,26,27)