InChI=1/C16H20N2O7S2/c1-2-3-10-25-13-5-7-14(8-6-13)27(23,24)18-9-4-11-26(21,22)12-15(18)16(19)17-20/h5-8,15,20H,4,9-12H2,1H3,(H,17,19)/t15-/m1/s1/f/h17H 4DBC5963B624FE40