InChI=1S/C15H22N2O5S2/c1-15(2)13(14(18)16-19)17(9-4-10-23-15)24(20,21)12-7-5-11(22-3)6-8-12/h5-8,13,19H,4,9-10H2,1-3H3,(H,16,18)/t13-/m1/s1